CHRONOLOGY: 2015

  • January 1: The banned National Liberation Front of Tripura (NLFT) sufferes a second split as commander Prabhat Jamatya, 39, leaves the group's camp in the Chitagong Hill Tracts of Bangladesh with more than 25 followers and a large number of arms and ammunition. The rebels have reportedly started sending "tax" notices to Indian citizens from across the border.

 

CHRONOLOGY: 2014

  • January 10: Chief of Army Staff' of NLFT-BM Pasaram Tripura alias Parshuram alias T. Thomas alias Wathak (51) surrenders before the Director General of Police at State Police Head Quarter in Agartala in West Tripura district. He joined undivided NLFT in 1994 and was holding the rank of 'Chief of the Army Staff' of NLFT and underwent several trainings in Pakistan.
  • January 15: After the exodus of about 900 Bru tribals from Mizoram to neighbouring Tripura in the last three days, the Mizoram administration agrees to provide security to Bru families in the western part of Mizoram to prevent more Brus from leaving Tripura.
  • January 15: Around 250 Reang tribals, including women and children, have fled to Tripura from nearby western Mizoram, North Tripura District Magistrate Prashant Kumar Goel said. He said: "Tripura officials have immediately rushed to Kanchanpur along the Tripura-Mizoram border (195 km north of Agartala) and Mizoram officials are also coming to the areas where the refugees are now staying. Officials of both the states would persuade the refugees to return to their villages in Mamit district."Goel said that he has already talked to his Mamit district counterpart and requested him to take appropriate steps to take back the tribals to their villages -- Damdiai, Tumpanglui and New Eden.
  • January 17: A top leader of Biswa Mohan faction of NLFT-BM's, Kwima Reang, surrenders before BSF in Agartala. He deposits a .9 mm carbine with ammunition and incriminating documents. BSF officials said Kwima joined NLFT in March, 2012.
  • February 16: Three militants of NLFT-BM faction surrender before the BSF at Malda Kumarpara Border Outpost under Gandacherra subdivision in Dhalai district. The three militants are identified as Jospeh Reang, Basajay Aslong and Angiakrai Reang.
  • February 24: CM Manik Sarkar says that altogether 72 persons were abducted and three others killed during the past three years in insurgency related incidents. Sarkar said no one was killed by the militants in 2013 and 10 persons were abducted during the time, but all of them had returned. In the last three years 92 insurgents of different underground groups have surrendered, he said.
  • March 16: The NLFT-BM is facing its worst-ever crisis with lower cadres strongly advocating for ceasefire truce with the Government. Mistrust between top-rank militant leaders and lower cadres over misuse of fund has been widening with every passing day and bloody clashes in the hideouts are likely, NLFT-BM's 'second-in-command' Panthar Debbarma, who surrendered before the Security Forces at Kanchanpur in North Tripura District recently, told the sleuths of both Central and State agencies.
  • March 19: Misappropriation of funds by senior 'commanders', growing resource crunch, food crisis and the wide gap between the lifestyles of leaders and that of NLFT-BM cadres have led to situation with disaffection among cadres running high.
  • April 24: Bangladeshi nationals abduct two Indians from Southern Tripura. Seven Indians were working in their rubber gardens outside the border fencing at Rajnagar area in southern Tripura.
  • April 28: Tripura Government sends a proposal to the MHA suggesting specially designed barbed wire fencing for riverine and hilly terrain Indo-Bangladesh border. the existing design of fencing has become virtually ineffective in riverine and hilly terrain areas, according to reports.
  • May 7: Ten BNA militants surrender to Assam Rifles at Kanchanpur subdivision under North Tripura district. The BNA had suffered severe setback when Security Forces arrest its top leadership on May 4 from Kholakhal village in Cachar district of South Assam. The Security Forces state that the BNA is considered wiped out and almost all arms and ammunition held by the militant group has been recovered.
  • May 25: Three NLFT militants, Dalumani Jamatia, Krishna Jamatia, Hainalal Halam, who were trained in Bangladesh, surrender to BSF along with two AK-series rifles, one Chinese pistol, seven magazines and around 200 cartridges.
  • May 25: According to a senior Police official, NLFT has 15 to 20 hideouts in Bangladesh along with 80 or 90 cadres.
  • May 25: Bangladesh Government decides to establish seven to eight Army and BGB camps along Tripura-Mizoram and Bangladesh border to check the cross border movement of insurgents.
  • May 25: 494 Bru families have been verified for repatriation to Mizoram.
  • May 29: Four NLFT-BM militants, identified as Parimal Debbarma alias Fancruk, Mohan Kumar koloi alias Rabin, Dharendra Tripura and Bibash Tripura surrender along with arms and ammunition before Assam Rifles at Ananda bazar area under Kanchanpur subdivision of North Tripura district.
  • May 30: ATTF 'chief' Ranjit Debbarma is attacked inside the court lock up in the Agartala Court Complex where he was brought before the Court.
  • June 14: Tripura Government extends the operation of AFSPA for six months. In view of the improvement of the situation and the lessening of terrorist activities, the Tripura Government in June 2013 reduced operational areas of the AFSPA to 30 Police Station areas instead of the 40 earlier.
  • June 20: DG, BSF, states that after BSF started using non-lethal weapons the number of people killed along the border has come down from 100 to 12. The BSF has also proposed setting up four "border haats" (markets) along Indo-Bangladesh border to improve the bilateral relations. He also says that 70 per cent of the border is now fenced and that 3,061 km of the Indo-Bangla border would be illuminated by flood lighting to check smuggling and border crimes. Of this, 1732 km have already been illuminated. This amounts to 57 per cent of the total works.
  • August 13: Minister of State for Home Kiren Rijiju states that MHA is implementing a scheme for surrender-cum-rehabilitation of militants of the northeastern region.
  • August 19: BSF IG states that militants groups of the Northeast continue to receive 'substantial quantity' of illegal arms and ammunition from China and Myanmar. He said that "there are isolated instances of arms and ammunition entering into the country across the international border with Bangladesh, but a substantial quantity is coming from the international border with Myanmar and China."
  • August 21: BSF says that out of 45 Northeast militant camps in Bangladesh, 21 belong to militant groups including ULFA, NLFT and ATTF.
  • August 23: IPFT revives the demand for a separate State for indigenous communities during a meeting and procession at Agartala. IPFT president Narendra Debbarma states that ADC area encompasses 68.10 per cent of the state's geographical area and is home to more than 33 per cent of the total population, where 95 per cent are from indigenous communities.
  • August 23: Bangladesh PM Sheikh Hasina promises to provide all possible helps including transit facilities for the northeastern states and other related bilateral issues with India.
  • August 24: Tripura Governor Padmanabha Balakrishna Acharya visits the refugee camps on the advice of PM to see the conditions of the displaced people. He promised the refugees to take up their matter with the Government of India.
  • August 26: Central Government decides to implant special kind of fence over water along the riverine India-Bangladesh border to stop illegal immigration.
  • September 4: Tripura Government decides to withdraw court cases against surrendered militants, except those of crimes committed against women. CM Manik Sarkar states that the decision was made to lure underground terrorists to lay down arms and join mainstream.
  • September 4: Govt. of India orders the Tripura Government to be on increased alert in response to Al-Qaeda leader Ayman al Zawahri announcing the formation of a branch of his militant group in India and its neighborhood.
  • September 8: Major tribal bodies reject the demands for a separate State in the name of 'Twipraland' by carving out the TAADC. TSU and TYF, the tribal student wing and tribal youth wing of ruling CPI-M reject the demand for a separate state in Tripura saying it is divisive and communal.
  • September 12: A tribal-based political party Indigenous People's Front of Tripura (IPFT) step up its agitation for a separate State to be carved out of Tripura. It has now announced that the party members would go to Delhi to meet union Home Minister Rajnath Singh and union Tribal Affairs Minister Jual Oram to press for the demand.
  • October 2: NLFT allegedly abduct two tribal youths Barendra Reang and Harendra Reang from a Jhum hut in remote J C Para under Gandacherra Police Station in Dhalai district.
  • October 8: Tripura State Police IG states that 15 hideouts of NLFT still exist in Bangladesh. Around six hideouts are adjacent to the Indo-Bangladesh border while others are far away from it and all the hideouts are concentrated in CHT. IG also stated that intelligence reports indicated zero militant movement inside the State.
  • October 10: Three BDFM militants identified as Van Lal Liana Reang alias Pastor, a 'senior commander', Kishan Reang and Lal Tlana Reang surrender before Assam Rifles at Khedacherra under North Tripura district with three Chinese rifles and one bullet.

 

CHRONOLOGY: 2013

  • February 18: Security Forces arrest banned NLFT militant Paul Hrankhwal along with collaborators Ashit Deb and Ratanjoy Reang of Ananda Bazar area at Kanchanpur motor stand in North Tripura district. Recoveries include a cheque of rupees 1.3 million and mobile phones. Police arrested them when they were bound for Jampuii Hill in the eastern part of Tripura bordering Mizoram.
  • October 31: Director General of Tripura Police C Balasubramaniam says that the separatist groups from the Northeast have their camps in Bangladesh, though the Bangladeshi security forces' have been cracking down on them, . "At present, there are about 15-18 camps belonging to Tripura militants alone in various parts of Bangladesh, especially southeastern region of that country", he said.

CHRONOLOGY: 2012

  • January 4: Security Forces arrest four tribal youths, suspected to be militants, from remote Balucherra area under Ganga Nagar Police Station of Dhalai district.
  • January 20: Security Forces arrest three militants belonging to NLFT from Gobindabari, in Dhalai district.
  • January 22: CorCom of seven militant outfits of Manipur join hands with ULFA-ATF, HNLC, KLO, NLFT and ATTF and calls for a mass boycott of Republic Day celebrations on January 26 in the entire northeast.
  • January 29: NLFT and ATTF are shifting their bases in Bangladesh closer to the Myanmar border. The HNLC and GNLA, of Meghalaya are shifting their bases in Bangladesh towards the Tripura border.
  • February 16: Bangladesh RAB arrest 'self-styled vice-president', identified as Subir Debbarma of NLFT from Khagrachhari district.
  • February 17: 'Vice-president' of NLFT, Subir Debbarma is taken to Dhaka for interrogation.
  • February 18: Union Home Minister P. Chidambaram meets the leaders of the displaced Reangs currently sheltered in six camps in North Tripura district.
  • February 22: The visit of Union Home Minister P Chidambaram along with Shambhu Singh, joint secretary, in-charge, Northeast in the home ministry, to the refugee camps of Kanchanpur in north Tripura on February 18 kindled hope among the 30,000 inmates of seven relief camps. Bruno Msha, general secretary of MBDPF, describes the visit not only historic but the first ever by any central minister ever since their camping here in 1997.
  • February 25: State Chief Minister Manik Sarkar put the onus of taking back the 37,000 Bru (Reang) tribal refugees on the Mizoram Government, and called on the neighboring state and the Central Government to do more to resolve the issue. Sarkar further said that the Central Government still owes the State INR 310 million for its expenses on relief for the tribal refugees.
  • March 6: Chief Minister Manik Sarkar says that during the past 14 years, 1,705 extremists of different outfits have surrendered to the government. Of the 1,705 surrendered militants, 1,285 have been given economic rehabilitation and embarked on a new life with their families.
  • March 7: Police arrests 12 Myanmarese Citizen at Mungiakami in West Tripura district.The arrested foreign national are Rohingya Muslims and were on their way to Silchar in Assam. March 6:
  • March 19: The State Government extends AFSPA for another six months.
  • March 22: Leaders of 172 organizations including various NGOs, churches and religious organizations in a joint meeting held at Naisingpara camp in Kanchanpur, North Tripura district, under the leadership of A Sawibunga, President of MBDPF resolved to demand a compensation amount of INR 150,000 for each the Bru returnee, which is equivalent to the compensation amount paid to each of the 83 displaced Mizo families.
  • April 4: Security Forces arrest five militants belonging to BNLF, a Mizoram based militant formation, at Baigunchherra in North Tripura district. The militants were identified as Pradip Piter (28), Juam Jhara Bru (28), Psamani Bru (28), Routijoy Reang (26) and Karanjoy Reang (22).
  • April 12: State Government has ordered SPs of all the eight districts to strengthen security in all sensitive locations following intelligence inputs on regrouping of NLFT-BM militants. The report indicated that a huge cache of arms has reached NLFT-BM through NSCN.
  • May 15: Fourth phase of repatriation of Bru refugees, which began on April 26, concludes without a single refugee returning to Mizoram from Tripura relief camps on the last day.
  • May 15: Union Ministry of Home Affairs has asked the State Governments of the Northeast region to take all necessary steps to prevent the CPI-Maoist groups from establishing their roots in the region. The report quoting states that the Central Government would send additional a force to deal with Maoists only if it is felt necessary. UMHA is of the view that at present, the strength of the armed groups of the Maoists in the Northeast is not much and the State Police forces are fully capable of dealing with the situation.
  • May 16: Top CPI-Maoist leaders, including one Moina Dohotiya are actively involved in the outfit's expansion into the Northeast. A newspaper report quotes a source within the security establishment as saying, "There are about 100 listed cadres and they have three carbines, a couple of .315 rifles and pistols, few grenades and one M16 rifle. In the middle and lower Assam regions, they are probably at a very nascent stage. We have not observed any Maoist activity in these places". The source further said, "The Maoists have so far recruited youths from the state and few Khamti boys from Arunachal Pradesh. However, unlike Jharkhand, there is just a sprinkling of Adivasi youths here. There are couple of youths from Goalpara and Kamrup district but the majority are from Dibrugarh, Tinsukia and Golaghat districts and many from Dhemaji and Lakhimpur districts".
  • June 17: Security Forces arrest three NLFT-BM collaborator and surrendered extremists including a woman from Jirania in West Tripura district with some incriminating documents, extortion notes and cash amount of INR 2.5 million.
  • June 18: Tripura Police conducts searches in 10 locations across the State. Report states that NLFT-BM has recently recruited some 70 freshers in the outfit, who are now undergoing arms training in Myanmar and Bangladesh.
  • June 22: Maoists have reportedly extended a helping hand to NLFT for expanding the latter's area of operation in the State, intelligence sources claimed. Quoting the statement of five surrendered NLFT militants - Dhanu Koloi, Bishu Koloi, Rathashri Koloi, Asitu Mog and Dalphin Koloi - who had been arrested on June 16, for allegedly working for the outfit, Police said Maoists have opened a new front in Tripura. Besides NSCN-K and PLA of Manipur, NLFT has made an alliance with the Maoists to restart extremism in the State, they said. According to their confession, as many as 29 tribal youths had been sent to Myanmar to undertake arms training in Maoist camps in November 2011. "All of them were from the Mandai area on the outskirts of Agartala and they have been approached by a group of surrendered NLFT militants, who are staying in government accommodation, and are drawing monthly remuneration under rehabilitation scheme," said Police.
  • June 26: The State Government, in a controversial move, has issued an order to withdraw 1,300 criminal cases, of heinous nature, against 736 hardcore militants, reports Times of India on June 27. State Congress president Sudip Roy Barman slammed the State Government over this move. Barman said, "The government decision to withdraw 1,300 cases against 736 under trial extremists before the assembly elections, violating the norms and guidelines of the MHA, is an evidence of CPI-M's association with militants."
  • July 3: Three top leaders of the NLFT- Kashirai Reang, Debadanta Reang and Brikhu Reang - surrender their arms to the Assam Rifles at Khedachara in North Tripura district.
  • July 4: Three NLFT militants surrender to the Indian security forces in Tripura after a crackdown on their training camp in Bangladesh. The three top leaders of the National Liberation Front of Tripura - Kashirai Reang, Debadanta Reang and Brikhu Reang - surrender to the para-military Assam Rifles at Khedachara in northern part of Tripura.
  • July 23: In a fierce gun battle that lasted for 30 minutes, one NLFT militant was killed at Majimonipur, 15 kilometres from Raishyabari Police station in Dhalai district.
  • July 28: Security Forces arrest second-in-command of NLFT-BM, Sabir Debbarma, from Dhalai district during a combing operation at Raishyabari.
  • August 15: Chief Minister Manik Sarkar warns Tripura's resurgent insurgency of imminent action unless good sense prevails soon. The CM spoke in a terse tone that few militant cadres have feigned false surrender and have gone back to the jungles taking advantage of all benefits allowed by the government. This is very akin to treachery with the trust and goodwill of the state government, said Sarkar.
  • September 8: Security Forces arrest two hardcore NLFT militants, Jagalal Tripura, (26), and Maharaj Chakma, (32), from Kanchanpur market.
  • September 9 AFSPA was extended for another six months in the State.
  • September 15: A top NLFT militant, identified as 'sergeant' Bipul Debbarma, surrenders before BSF in the western border of the State. The militant surrendered an AK 56 rifle, a magazine, 25 live ammunition and Bangladeshi currency. Bipul had joined the outfit in 2003 and undergone weapons training in 2004. He was also involved in many operations against Security Forces and abduction of six officials of a construction company from a bordering area of Mizoram in March 2012.
  • October 27: Security Forces arrest three militants of the Assam-based UDLA at Dharmanagar in North Tripura district. INR 35,000 in cash and five mobile SIM cards recovered from them.
  • November 15: BSF has requested its Bangladeshi counterpart, BGB to destroy 55 camps of northeast insurgent group in Bangladesh.
  • November 20: The NLFT abducts three persons, including two school students, from two villages in Dhalai district.
  • December 2: Bangladesh agrees to allow erection of barbed wire fencing on the zero-line of Indo-Bangla border at nine places in Tripura.The places include Akhaura International Check Post, Kasba Kali Temple area, Agartala airport, Mohanpur market and Sidhai Main Road in West Tripura district, Belonia and Sabroom sub-divisional towns in South Tripura district and Kailashahar sub-divisional town in Unakoti district.
  • December 6: 'Army chief 'of ATTF, Chitta Debbarma (37), surrenders to security forces.
  • December 7 Three ATTF militants surrendered to Assam Rifles at Gandacherra in Dhalai district.
  • December 17: Suspected NLFT militants abduct three tribal farmers, identified as identified as Para Kumar Tripura (28), Nandaram Tripura (31) and Matiram Tripura (26), from Nibaranpara under Korbok Police Station. Police suspect that the banned NLFT guerrillas might have taken the hostages to nearby Bangladesh.
  • December 20 Nine militants of NLFT, including 'commander' Suren Debbarma, surrender to Security Forces at Karbuk, a village near the Indo-Bangla international border under West Tripura district and deposited one AK-47 rifle, one revolver and one grenade.
  • December 23 Two NLFT militants, Bishanjay Tripura and Paritosh Debbarma, surrender to Police at Ananda Hari Roaja Para village, 48 kilometres south west of Chhawmanu Police Station, in Dhalai district and deposited one wireless set and INR 700.

CHRONOLOGY: 2011

  • January 1: Five All Tripura Tiger Force (ATTF) cadres, including a woman, surrender to Border Security Force (BSF) at Panisagar in North Tripura district. The surrendered militants are identified as Manoranjan Debbarma, Liza Debbarma, Satya Ranjan Debbarma, Pijush Debbarma and Onio Debbarma.
  • January 2: Five insurgents of the banned All Tripura Tiger Force (ATTF) surrender to BSF at Panisagar in North Tripura district. The insurgents had no arms or ammunition to deposit. The ultras had fled from their base camp at Maulabi Bazar district in neighbouring Bangladesh following raids by security forces there and scarcity of food.
  • January 30: A heavily armed team of NLFT militants sneaks inside Indian Territory. The team led by ‘self styled leader’ Bumthung Halam comprising of 17-18 cadres armed with sophisticated weaponry is reportedly targeting to hold widespread massacres ahead of the ensuing Village Committee polls.
  • January 31: NLFT militants gun down an official of National Building Construction Corporation (NBCC), identified as C N Muni and injured his driver at a remote tribal hamlet near the Indo-Bangladesh border in North Tripura district. C N Muni, in-charge of Shewapara border fencing site of NBCC, was traveling in a Jeep when he was attacked.
  • February 1: Tripura witness a steady decline in insurgency over past four years, says Chief Minister Manik Sarkar in the internal security conference in New Delhi. The Chief Minister said, only 22 militant attacks were recorded in 2010, which was 113, 80 and 24 in 2007, 2008 and 2009 respectively. The record revealed there was no civilian casualty in 2010 but two civilians were killed and 29 civilians were injured last year in militant attack. As many as ten encounters were recorded. According to Sarkar, despite remarkable improvement in the situation, we believe there is no scope for complacency in dealing with insurgency.
  • February 2: A large section of dissented cadres of the All Tripura Tiger Force (ATTF) joins NLFT. Sachin Debbarma, ‘self-styled home minister’ of ATTF is known to have joined NLFT with a bunch of followers following a massive tussle with ATTF supremo Ranjit Debbarma.
  • March 16: Security Forces arrest four ISI agents from Agartala Hospital.
  • March 23: An ISI agent is arrested from a hotel in Agartala. Security Forces recover 1, 66,000 BDR 12,000, a laptop and a passport.
  • April 21: Surrendered tribal guerrillas in Tripura organize a road blockade and a hunger strike demanding that the Government should rehabilitate them. The protest, initially planned to last 48 hours, was withdrawn one hour after its launch in the morning after senior officials assured the surrendered tribal extremists of holding a meeting with them on April 27.
  • April 25: TSF militants from Tripura are sneaking into Hailakandi district in Assam to carry out subversive activities like abduction for ransom and extortion, says the Superintendent of Police, Hemanta Bhattacharjee as reported by Telegraph.
  • April 27: 55 Bru refugees, belonging to 12 families, return to Mizoram from Naisingpara relief camp in neighboring North Tripura district as the officials were making arrangements for the return of 123 families.
  • April 28: Tripura Government declares that all the promises offered at the time of signing a tripartite peace accord with NLFT-NB on December 17, 2004 are fulfilled. Bhuchuk Borok, vice president of the NLFT-NB who remained present in the review meeting, praised the Ministry of Home Affairs and State Government for being sincere in fulfilling the peace accord promises.
  • May 16: Nine NLFT guerillas, led by their self-styled captain Patanjoy Tripura alias Prabhash, 30, cross over to India and surrender to the Assam Rifles officers at Chawmanu in north Tripura.
  • June 7: Suspected NLFT insurgents kidnap eight tribal people from the remote Gontuisa village in Tripura’s Dhalai district bordering Bangladesh.
  • June 8: NLFT releases five villagers out of the eight the rebels abducted on June 7.
  • July 12: Utpal Debbarma (34), self styled foreign secretary of NLFT is detained from a place in Aizwal.
  • August 8: Two cadres of Manipuri militant group KCP (MC) are arrested from Vidhyasagar area on the outskirts of Agartala in Tripura.
  • September 1: Tripura Chief Minister Manik Sarkar says that despite Dhaka’s crackdown on separatist outfits from the Northeast, their camps still exist in Bangladesh. At present, there are about 14 camps belonging to Tripura militants in Bangladesh, according to the Chief Minister.
  • November 3: 10 NLFT cadres surrender at the Assam Rifles camp in North Tripura district.
  • November 6: Security Forces arrest Six Myanmar nationals including three women from West Tripura district for illegally entering Tripura from Bangladesh.
  • November 10: Suspected NLFT militants open fire on TSR troopers at the Mohan BOP along the Indo-Bangladesh border in Kanchanpur-Longtarai Valley border in North Tripura district.
  • November 25: Tripura Chief Secretary S.K. Panda raises his concern on the slow pace of work on barbed wire fencing and flood lighting along the Indo-Bangladesh border due to the shortage of funds. He said that militants have been using some pockets of unfenced border as safe corridor.
  • December 1: MTF troopers arrest 18 Myanmarese and 12 Bangladeshi nationals from Agartala Railway Station.
  • December 1: Nine tribal villagers abducted by NLFT militants return unhurt from militants Bangladesh's hideout after 136 days from the militants' captivity. The villagers were abducted on July 18 from Debendra Karbari Para under Chawmanu Police Station of Dhalai district.
  • December 4: The Centre is thinking of the withdrawal of the ban on two militant outfits of the State namely the ATTF and NLFT, in view of the decline in insurgent activities in the State.
  • December 16: Police arrest 31 Myanmarese Nationals from Bokafa in South Tripura district. Among the arrested were nine children and seven women.

2010

  • January 3: Four hardcore militants of the NLFT (B) surrender to a joint operation team of 15 and 10 Assam Rifles in the Taidum area along Tripura-Mizoram border. The militants include a self-styled corporal Vhandiram Reang alias Betra, Purnojoy Reang alias Pilot, Simbabu Reang alias Hozai and Kripajoy Reang alias Gae.
  • January 16: Four suspected militants of the People’s Liberation Army (PLA), a Manipur based outfit, have been arrested by the police from Chandrapur.
  • January 24: Seven tribal workers of the CPM are critically injured after being beaten up by a group of NLFT militants for refusing to pay them “tax”.
  • January 28: Three insurgents of banned National Liberation Front of Tripura (NLFT) surrender to Assam Riffles at Dolucherra camp in Dhalai district. The extremists were identified as Bairaham Mohan Tripura, Santosh Debbarma and Dharmjoy Reang.
  • March 31: One ATTF militant surrenders to Assam Rifles personnel at Duski in West Tripura district.
  • April 4: Tripura Chief Minister Manik Sarkar said more than 20 militant camps still exist in Bangladesh.
  • April 6: Reports say that the dead body of the Bru militant, Thankima, was recovered inside Tripura near the Mizoram border in last week of March 2010. He was the main accused in the killing of Zarzokima, a 17-year-old Mizo youth of Bungthuam village in Mamit district in western Mizoram on November 13, 2009.
  • April 11: Two ATTF cadres, who had deserted the outfit's Satcherri camp in Habiganj district of Bangladesh, surrender before the Jirania Police in West district of Tripura.
  • April 20: Six suspected armed militants of the NLFT abduct a person, Sankar Bijoy Chakma of Apanbooli village in Dhalai district.
  • April 25: A cadre of the ATTF, identified as Barun Debbarma (29) of Kalyanpur, surrender before the Police in West district.
  • April 30: Director General of Tripura Police Pranay Sahay says that there are reports of NLFT movements prior to Tripura Autonomous District Council (ADC) elections scheduled to be held on May 3.
  • May 3: Polling to the Tripura Tribal Autonomous district Council ends peacefully with more than 80 percent turnout.
  • May 10: Mizoram decides to take back 2,000 tribal refugees who had sought shelter in Tripura last year. But thousands are reluctant to go back without security and money to start life anew. Around 32,000 Reang tribal refugees have sought shelter in six camps in north Tripura, adjacent to Mizoram, since 1997 when they fled Mizoram west after ethnic clashes with Mizos over the killing of a forest official. The union home ministry, through the Tripura government, has so far spent around Rs.174 crore (Rs.1.74 billion) on their upkeep.
  • May 22: A group of 10 NLFT insurgent raides Shermoon village and demands 20 per cent of wages from 123 NREGA workers. A team of Tripura State Rifles (TSR) jawans reached the village following which the ultras fled.
  • May 24: A group of NLFT militants clashes with TSR jawans at Satraipara in Dhalai district when the militants trying to sneak into the village for extortion of NREGA (National Rural Employment Guarantee Act) funds.
  • May 27: Around 1,200 Reang refugees have returned to their homes in Mizoram for the first time in 13 years after the Union Home Ministry asked the State government to take back the displaced tribals, sheltered in six Tripura camps. "About 235 families comprising 1,200 men, women and children have been repatriated in three batches (on Friday, Monday and Wednesday) to Mamit district of western Mizoram," North Tripura's Kanchanpur divisional magistrate Dilip Chakma said.
  • June 16: Nearly 8,000 insurgents, including those of the outlawed National Liberation Front of Tripura and All Tripura Tiger Force surrendered to the authorities in the last 17 years, Tripura Chief Minister Manik Sarkar said. Since May, 1993 till date 7,992 insurgents belonging to various organisations, had surrendered, the Chief Minister told the Assembly on Monday. Sarkar, who is also the Home Minister, said in 2009-10 alone 225 insurgents had bid farewell to arms while 24 insurgency-related incidents happened during the period. He said that the number of insurgency-related incidents in 2007 was 113 which came down to 80 in 2008. Last year it was only 24.
  • June 22: Six militants of the outlawed National Liberation Front of Tripura (NLFT) surrender before the BSF at Khasia Mangal in West Tripura district. During interrogation, they revealed that the frustration among the lower level of cadres is increasing with every passing day due to difficult living conditions in jungles which is further augmented by the financial hardship faced by them.
  • July 2: Thirteen insurgents of All Tripura Tiger Force (ATTF) surrender before the Assam Rifles in Agartala after fleeing from their base camp in Bangladesh. The 13-member group led by self-styled captain Jagadish Debbarma deposited a cache of arms with the DIG of Assam Rifles Brig ST Upasani in presence of DGP Tripura Selim Ali.
  • July 7: Seven insurgents of banned National Liberation Front of Tripura (NLFT) surrender to Assam Rifles in two separate incidents.
  • July 9: Six insurgents belonging to National Liberation Front of Tripura (NLFT) surrender to Assam Rifles in West Tripura district. The ultras fled from their base camps in neighbouring Bangladesh surrendered to the camp in-charge of the Assam Rifles at Teliamura and also deposited two 9 mm pistols and some live cartridges.
  • July 20: Kunal Chakraborty, a doctor of Gobinda Ballav Pant Medical College and Hospital in Agartala, is kidnapped by unidentified armed guerrillas early on Tuesday at Molnom, and taken to a nearby jungle. He managed to escape late Tuesday.
  • August 2: Two persons are kidnapped from Ratiabari in Chawmanu police station in Dhalai district.
  • August 6: Suspected NLFT militants kill two BSF personnel by triggering off an improvised explosive device (IED) at a remote place adjacent to the Indo-Bangla border in Dhalai district.
  • August 10: Fourteen insurgents of the outlawed National Liberation Front of Tripura (NLFT) surrender to the security forces after fleeing from camps in Bangladesh, police sources said. Nine of the militants along with 12 family members surrendered at the Amar BSF outpost in North Tripura district. Another group of five miltants of the same outfit surrender to Assam Rifles at Akhirampara in Dhalai district on Monday. The first group of nine militants are among thirty who fled from camps in the Chittagong Hill Tracts in Bangladesh, but were attacked on the way by another group of insurgents. After the encounter the others went missing.
  • August 11: 16 NLFT cadres desert their camps in Bangladesh and surrender before troopers at Manikpur in Dhalai district and at Kanchanpur in North district.
  • August 17: The total number of Bru refugees, lodged at six relief camps in North district of Tripura, stands at 31,703, according to a resurvey of their population conducted in August 2010 by the Mizoram Bru Displaced People’s Forum (MBDPF).
  • August 20: Three cadres of NLFT surrender before Assam Rifles in West district. One NLFT cadre surrender before the Assam Rifles at Teliamura and deposit one radio set. Two other cadres of the same outfit surrender at Jirania without arms.
  • August 29: Five villagers are abducted from Boalkhali village in Gandacherra police station in Dhalai district.
  • August 30: Six of the executive members of the representative body of displaced Bru people living in refugee camps in Tripura resign alleging inaction.
  • August 30: The NLFT abducts five tribal Villagers from remote Shukraichari area under Gandacherra sub-division of Dhalai district.
  • August 30: Five Villagers are abducted by NLFT militants from Shukraichari area under Gandacherra sub-division of Dhalai district on August 30.
  • August 31: The Police in Assam and Tripura are jointly probing the activities of Pakistan’s ISI agency in Northeast India following the arrest of a suspected ISI agent in July 2010, according to officials in Agartala. Chief Judicial Magistrate (CJM) grants the Assam Police a transit remand of Manir and his associates and directs the Police to present before the Kamrup district CJM court within 30 days.
  • September 1: Five tribals people are kidnapped by suspected insurgents of the banned National Liberation Front of Tripura from Boalkhali, a remote tribal hamlet bordering Bangladesh in Dhalai district.
  • September 1: A suspected ISI operative, Nayeem Ahmed, is arrested by the BSF from Akhaura Tripura border while he was trying to slip out to Bangladesh. He was then handed over to the Police. Report says that the arrestee was a suspected Harkat-ul-Jihad-al-Islami (HuJI) cadre.
  • September 3: Pranay Sahaya, Director General of Tripura Police says the ISI is still trying to network among the different insurgent groups in India and funding them through agents in countries like Bangladesh, Pakistan, Afghanistan and Maldives.
  • September 3: Tripura Police Chief Pranay Sahaya says that with crackdowns on the camps in neighbouring Bangladesh, militants of the Northeast are now shifting base to Myanmar. Outfits like ULFA, KLNLF and UNLF have already shifted their bases to Myanmar according to reports, the DGP said. The DGP said the Centre has already taken up with the Myanmar Government the issue of their soil being used by insurgents from Northeast India. The Bangladesh Army recently destroyed three camps of the NLFT in Khagracherri district of Bangladesh.
  • September 4: Two NLFT militants surrender before Assam Rifles at Damcherra, in North district.
  • September 16: Three tribal villagers are kidnapped by members of banned National Liberation Front of Tripura (NLFT) from Desharaipara in Dhalai district. The kidnapped persons have been identified as Pramode Bikash Tripura (45), Jagat Tripura (31) and Kanti Tripura (30).
  • September 17: According to police sources, one of three tribal villagers who were abducted on September 15 by the NLFT militants from Desharaipara in Dhalai district is released.
  • September 29: Tripura Government extends the Armed Forces Special Powers Act (AFSPA) for another six months, citing militant activities along the border with Bangladesh.
  • October 11: The outgoing state police chief Pranay Sahay says that the process for repatriation of top insurgent leaders from Tripura who had taken shelter on Bangladeshi soil is on. "Now it is clear that two chiefs of two insurgent outfits -Ranjit Debbarma of All Tripura Tiger Force (ATTF) and Biswamohan Debbarma of National Liberation Front of Tripura (NLFT) are in Bangladesh. The process for handing them over to the security forces is on," Director General of Tripura Police said.
  • October 11: The outgoing state police chief Pranay Sahay says that the process for repatriation of top insurgent leaders from Tripura who had taken shelter on Bangladeshi soil is on. "Now it is clear that two chiefs of two insurgent outfits -Ranjit Debbarma of All Tripura Tiger Force (ATTF) and Biswamohan Debbarma of National Liberation Front of Tripura (NLFT) are in Bangladesh. The process for handing them over to the security forces is on," Director General of Tripura Police said.
  • October 12: Six NLFT cadres surrender to the Assam Rifles in West district. Three NLFT cadres surrender before 34th Battalion of Assam Rifles at Raimapara, while three others lay down arms to the 38th Battalion at Teliamura. The cadres did not deposit any arm or ammunition during the surrender.
  • December 1: Four NLFT militants surrender to police at Longterai Valley in Dhalai district.
  • December 7: NLFT militants abduct 11 labourers from a bridge construction site in an interior area of Dhalai district bordering Bangladesh. According to Police sources, "The NLFT rebels might have taken the captives into neighbouring Bangladesh territory as the India-Bangladesh border is just four kilometres from the spot." Two of the abducted workers are later released by the militants later in the night.
  • December 11: According to Tripura Police, out of the 11 civilians who were abducted by the militants of NLFT on December 7, nine have been taken to Bangladesh and two have been released, Police said. "The NLFT rebels have taken away the hostages to the neighbouring Chittagong Hill Tracts of South-East Bangladesh as there is no fencing in certain portion of India-Bangladesh border of that area," Tripura Director General of Police K. Saleem Ali told.
  • December 26: Three top leaders of ATTF– its self styled president Ranjit Debbarma, armed wing chief Chitta Debbarma and central committee member Rahul Debbarma are ousted from the outfit in a coup led by Sachin Reang. This is for the first time that ATTF suffers a split.

2009

  • January 5: Two All Tripura Tiger Force (ATTF) commanders along with their wives, who are also militants, surrender before the Sub-Divisional Police Officer of Jirania in the West Tripura District.
  • January 10: Twenty-four ultras of two outlawed outfits in Tripura run away from their base camps in Bangladesh and surrender before security forces in West Tripura district.
  • January 11: Surrender of six more insurgents of outlawed National Liberation Front of Tripura (NLFT) to Assam Rifles after fleeing from their base camps in Bangladesh. The total number of surrendered insurgents rises to 30 in last two days.
  • January 30: The Border Security Force (BSF) captures Amrit Debbarma, the leader of a group of around eleven ATTF extremists.
  • February 1: Security Forces arrest two NLFT militants, Rambabu Reang and Nanturai Reang, from Balucherra in the Dhalai District.
  • February 10: An officer-in-charge (OC) of a police station in West Tripura district is seriously injured in an encounter with suspected All Tripura Tiger Force ultras at Tuibaklai.
  • February 14: 118 BNCT militants desert their hideouts in Bangladesh and surrender before the Police at Chawmanu Police Station in the Dhalai District.
  • March 7: Malindra Tripura and Bidhyajoy Reang, both NLFT militants, surrender before the Assam Rifles at Teliamura in the West District.
  • March 7: Sushil Debbarma alias Ali, a self styled ‘sergeant’ of the ATTF, lay down arms before the Police at Kalyanpur in the West District.

 

  • March 12:  ATTF militant Charan Thung Malsum (25) of Takarjala village near Agartala surrenders before the Police at Balua village in the West District.

 

  • March 14: Two ATTF militants surrender before the BSF at Ambassa in the Dhalai District.

 

  • March 19: One ATTF militant surrenders before the SFs at Simna in the North District along with his wife.

 

  • April 2: One BSF jawan and a labour of National Building Construction Corporation are injured when NLFT militants detonate an IED at Simanapur border outpost.

 

  • April 13: Two NLFT insurgents, Chaitra Kumar Debbarma (29) of Baganpara under Takarjala police station and Alendra Tripura (35) of Khedacherra under Khedacherra police station surrender before Officer in Charge (OC) of Silachari police station.

 

  • April 18: Unidentified militants kidnap Anurag, a class 5 student of the Shakaibari Holy Cross School in Dharmanagar and son of businessman Nirmal Jain, from Dharmanagar town in the North District.

 

  • May 3: An ATTF militant surrenders in front of the Border Security Force in Tripura. , Dhirendra Debbarma (19), a resident of Salema in Dhalai District, surrenders along with one AK 66 rifle, three magazines and 68 bullets and 565 Bangladeshi currencies. Dhirendra reveals that he was forced to surrender because of a severe resource crisis in their base camps in Bangladesh.

 

  • May 22: NLFT insurgents ambush a BSF patrolling party injuring two jawans at Rajbal, a far-flung border village of Kanchapur subdivision.

  • June 16: One All Tripura Tiger Force (ATTF) militant and two National Liberation Front of Tripura (NLFT) militants surrender to the security forces.

  • June 30: Three Bru National Liberation Front (BNLF) insurgents are arrested by 14 Assam Rifles under Kanchanpur police station.

 

  • July 17: Seven militants of the Manipur-based Peoples United Liberation Front (PULF-Azad), including its chief, are arrested by the Anti-terror personnel of the Mobile Task Force from Nagerjala motor stand in Agartala.
  • July 17: One ATTF militant surrenders to Assam Rifles at Dhwajanagar Camp in West Tripura district.

 

  • July 31: One NLFT militant is arrested by 14 Assam Rifles in an operation in general area of Jaimanipara.

 

  • Aug 3: Four ATTF and one NLFT militant surrender to the security forces.

 

  • August 5: Eight ATTF militants surrender to the BSF at the BSF sector headquarters at Teliamura in Agartala.

 

  • August 9: Nine ATTF rebels surrender before senior BSF and Assam Rifles officials in Tripura.

 

  • August 11: Five NLFT (B) militants are arrested by Assam Rifles personel from the remote areas of Khedacherra in Tripura.

 

  • August 13: Five NLFT militants are arrested by Assam Rifles from Khedacherra in north Tripura district.

 

  • August 17: Five NLFT militants surrender before Assam Rifles personnel.

 

  • August 18: In a joint operation, Tripura police and BSF recovers a huge cache of arms and live ammunition from Karingicherra under Champahower police station in West Tripura. The seizure included eight AK-66 rifles, 23 magazines and 70 rounds of live ammunition.

 

  • August 19: Two ATTF cadres surrender before BSF, Teliamura.

 

  • August 28: The army chief of NLFT, Bidyasingh Jamatya surrenders at the sub-divisional police headquarters in Gandacherra of Dhalai district.

 

  • September 1: One ATTF militant surrender to column of 15 Assam Rifles during a special operation in the area Nunachara under Mungiakami police station.

 

  • September 14: Four NLFT cadres surrender to security forces in three different places in remote areas of Dhalai district.

 

  • September 15: Two NLFT (BM) cadres surrender before 35th Battalion of the Assam Rifles at Mugiakami in West Tripura district.

 

  • September 16: Four ATTF militants surrender before the 35th battalion of Assam Rifles.

 

  • September 22: Two ATTF militants surrender before 35th Battalion of Assam Rifles operation party at Uttar Maharani Pur.

 

  • October 1: NLFT abducts six chakma tribesmen from Raisyabari border area under Gandacherra sub-division of Dhalai district. Three villagers are later set free with a ransom note, demanding Rs.5 Lakh for the release of the remaining three.

 

  • October 4: Five NSCN-IM militants are arrested by the BSF with a huge cache of arms while they were crossing the Bangladesh border into Tripura. These militants had deserted their camps in Bangladesh following a gun battle with their superiors in which they killed six senior NSCN-IM militants.

 

  • October 8: Surrendered cadres of All Tripura Tiger Force (ATTF) and Tribal Liberation Army (TLA) threaten to launch a 72-hour hunger strike from October 12 if their demands are not fulfilled soon.

 

  • October 9: Two insurgents of banned National Liberation Front of Tripura (NLFT) surrender to Assam Rifles at Hrankhawlpara in Dhalai district. The ultras, identified as Dhananjoy Reang and Motaraham Reang, surrender unconditionally to the camp-in-charge of Assam Rifles at Hrankhawlpara.

 

  • October 15: Two ATTF militants surrender before BSF and deposits an AK-56 rifle, three magazines of AK-56 rifle, 75 rounds ammunition of AK-56 rifles and nine rounds of 9 mm pistol.

 

  • October 16: Four NLFT cadres surrender before Assam Rifles operation party.

 

  • October 20: The outlawed militant outfit National Liberation Front of Tripura (NLFT) serves an extortion notice to railway employees in North Tripura.

 

  • November 8: Six insurgents of the outlawed National Liberation Front of Tripura surrender before troops in West Tripura district.

 

  • November 9: Ten insurgents of the outlawed National Liberation Front of Tripura (NLFT) surrender before troops in Tripura.
  • November 9: Seven ultras surrender before DSP Amiya Chowdhury at Kanchanpur in North Tripura district and deposit a rifle, 168 live cartridges and two magazines.
  • November 9: At least eight tribal villagers including four women are killed and another injured by separatists in Tripura. According to the Police spokesperson Nepal Das, heavily armed National Liberation Front of Tripura (NLFT) militants attack Pushparampara village in northern Tripura at midnight and abduct eight villagers before gunning them down in a nearby jungle. The victims are all family members of 10 NLFT militants who surrendered before security forces.

 

  • November 14: Eight tribals are gunned down by the ultras at Pusparampara village of North Tripura district.

 

  • November 18: One TSR jawan is killed and another injured seriously in an encounter with suspected NLFT militants in Dhalai district.

 

  • November 19: Two hardcore militants of banned National Liberation Front of Tripura (NLFT) surrender to police in Dhalai district.

 

  • November 21: An insurgent of the banned National Liberation front of Tripura (NLFT) surrender to the security forces at Tulasikhar in West Tripura district.

 

  • November 25: Members of the banned National Liberation Front of Tripura (NLFT) raids Pusparampara village in North Tripura district and kidnap eight tribals, including four women, at gunpoint and shot them in a nearby jungle. The victims were relatives of seven NLFT militants who had surrendered earlier and it is believed that the NLFT targeted them in retaliation against the surrenders.

 

  • November 29: Self-styled National Liberation Front of Tripura (NLFT) supremo- Biswamohan Debbarma is arrested in Bangladesh. The rebel leader was arrested by personnel of Director General Force Intelligence (DGFI) in a posh area of Dhaka, according to sources from across the border.

 

  • December 2: Two insurgents of banned National Liberation Front of Tripura (NLFT) surrender to the Assam Rifles at Chhamanu in Dhalai district.

 

  • December 26: Eight insurgents of outlawed National Liberation Front of Tripura (NLFT), including one woman, are nabbed by Assam Rifles from Hamshapara, a remote tribal hamlet in North Tripura district. The leader of the insurgent group was identified as self styled ‘captain’ Dube Reang and the woman insurgent was identified as Swapna Reang.

 

2008

  • January 19: A Special Police Officer, Bhajan Bhowmik killed by unidentified militants at Khedarnal village under Nutanbazar police station in the Dhalai district. Police said that Bhowmik was missing from his camp and was later found hanging on a tree nearby his house with multiple head injuries.
  • February 8: Four insurgents of the outlawed National Liberation Front of Tripura (NLFT) have been arrested with fire arms in Dhalai district by the Assam Rifles.
  • February 11: Ajit Debbarma, a divisional member of the ruling Communist Party of India-Marxist (CPI-M) assaulted and injured by unidentified militants at Khowai in the West Tripura district.
  • February 22: Four CPI (M) supporters including a polling agent of the ruling party abducted by Borok National Council of Tripura (BNCT) militants at Chawmanu in Dhalai district.
  • March 3: A hardcore NLFT militant, identified as Ranjan Debbarma, killed in an encounter with the security forces at Tuikurmacherra under Mugiakami police station.
  • March 3: BNCT militants abducts two workers of the National Projects Construction Company Ltd (NPCC) from Joyrampara under Gandacherra police station in the Dhalai district.
  • March 4 : Suspected Bru Nationalist Council of Tripura (BNCT) ultras kidnap two National Projects Construction Company (NPCC) workers on Monday afternoon from Joyrampara in Dhalai district.
  • March 8: Security forces arrest four BNCT militants from the jungles of Govindabari area of Chawmanu police station under Dhalai district.
  • March 8: Security forces arrest one NLFT militant from the jungles of Govindabari area of Chawmanu police station under Dhalai district.
  • March 25: BNCT militants abduct six persons from Khalangthang area under Kanchanpur police station. Later, two of them managed to escape from the militants’ captivity.
  • March 27: BNCT militants abduct three traders from a forest reserve in the Ghagracherra area of Dhalai and took them across the border to the nearby Chittagong Hill Tracts of Bangladesh. Police sources said the victims, Bidyajay Tripura, Surendra Tripura and Purnajay Tripura, had failed to pay the "tax" imposed by the militants because they could not afford to do so.
  • March 27: Meghalaya police bust a joint camp run by Hynniewtrep National Liberation Council (HNLC) and National Liberation Front of Tripura (NLFT) in Jaintia Hills.
  • March 29: Two villagers abducted by the BNCT militants while collecting bamboo at Kasthamani Tripurapara in Bangladesh, about two kilometres south from international border. One villager was released with a demand letter by the militants on the next day.
  • March 30: 12 NLFT militants surrender before the Assam Rifles at Kanchanpur in North Tripura district.
  • April 9: 13 militants of the Biswamohan Debbarma faction of the NLFT surrender before the security forces at the Assam Rifles (15th Battalion) head quarter at Hrankhal Para under Teliamura police station in the West Tripura district.
  • April 22: Two insurgents of the banned National Liberation Front of Tripura (NLFT) killed in an encounter with Tripura State Rifles (TSR) personnel in a remote hamlet of Dhalai district.
  • April 27: A construction worker was shot dead and a railway engineer was kidnapped by insurgents of the outlawed National Liberation Front of Tripura (NLFT) in West Tripura district.
  • May 8: Thirty five NLFT cadres, including four hard core cadres surrendered before the Commandant of the 14 battalion of Assam Rifles at Kanchanpur in the North Tripura district.
  • May 16: NLFT militants who abducted railway engineer Debabrata Das on April 26 from a railway construction site at Dalhampara near Mungiakami block in the Barmura hill ranges in the West Tripura district demanded a ransom of INR 2500000 for his release.
  • May 20: Twenty nine militants belonging to the BNCT surrendered before the security forces North Tripura district.
  • May 27: One hardcore NLFT cadre is killed in encounter with Security Forces in Atharamura Hills in West Tripura.
  • May 30: Four NLFT militants are arrested from by BSF jawans from Thalcherra in Dhalai district.
  • June 1: Three NLFT (Biswamohan Debbarma faction) militants surrendered before the Police at Raishyabari Police Station at Gandacherra in the Dhalai district.
  • June 5: Tripura State Rifles personnel rescue abducted railway engineer Debabrata Das from the captivity of NLFT-BM militants from Simultuibaklai under Champahower Police Station in the West Tripura district.
  • June 6: Two ATTF militants, identified as Shyamal Debbarma alias Bukhatai and Jiti Debbarma alias Baroa, surrendered before the security forces at 2nd Battalion Tripura State Rifles Headquarter at R.K Nagar in the West Tripura district.
  • June 13: A tribal villager, Manindra Debbarma alias Kalija is killed by an unidentified militant, at Urabai under Sidhai Police Station in the West Tripura district. The militant entered into the village in underground uniform and shot him dead on the spot while he was sitting with other persons.
  • June 14: A minor boy, Alani Kumar Malsum, is abducted by BNCT militants from Tanthai Bari of Amarpur subdivision in the South Tripura District. Police sources said that a group of eight BNCT militants led by Priyananda Reang, Surenjoy Reang and Shiba Deb Barma abducted Alani of at gunpoint and fled.
  • June 15: Six NLFT cadres surrendered before Assam Rifles at Kanchanpur in the North Tripura district. They also surrendered a two inch motor, hand grenades, detonator and gun powder.
  • June 22: Unidentified militants kill one civilian, Jatindra Tripura, at Tulamura Hill Track under Silachari police station in the South Tripura district.
  • June 29: Two NLFT militants, Sharat Malsum and Chanrai Reang, are shot dead by a joint team of the Tripura State Rifles and Central Reserve Police Force during a counter-insurgency operation at Vishnuprasadpara village under Ampi police station in the South Tripura district.
  • July 2: Five NLFT militants surrender before the Sub-Divisional Police Officer of Kanchanpur at Anandabazar outpost in the North Tripura district. They are identified as Nirmal Debbarma, Adhin Charan Debbarma, Jitendra Debbarma, Sukumar Debbarma and Ranjit Kumar Reang. They claimed to have deserted the hideout in Bangladesh and crossed over the India-Bangladesh border to surrender.
  • July 6: Two hand grenades, 10 live rounds and ‘tax’ collection receipt of the NLFT are recovered from Takhapara under Ganganagar police station.
  • July 7: Tripura Police and Assam Rifles personnel recover six locally-made guns and four extra barrels belonging to the BNCT group, during a joint search operation at Barcherra under Kanchanpur sub-division in the North Tripura district.
  • July 14: Two BNCT militants surrender before the Assam Rifles at Biswamanipara in the North Tripura district.
  • July 14: Police arrest one BNCT militant from Jalayapara under Ompi police station in the South Tripura district.
  • July 14: One Syed Ali alias Sagam Ali is produced before a local court by Tripura police. He confessed to having visited Pakistan several times to meet Osman Khan, an influential ISI agent in Karachi. "Osman had arranged an international passport for me," he informed the court. Sagam is reportedly from Bongaigaon in Assam.
  • July 24: An improvised explosive device is recovered from a forest at Jamirlong under Sidhai police station in the West Tripura district.
  • July 24: One NLFT cadre and his two associates surrender at Killa under Udiapur sub-division in the South Tripura district along with two locally made guns.
  • July 25: Police kill an ATTF militant during an encounter at Gandabasti in the West Tripura district.
  • July 26: Tripura State Rifles personnel recovere an explosive during a search operation in a forest near Sambhuharipara-Ambassa road in the Dhalai district.
  • August 18: Tripura State Rifles personnel shot dead Two ATTF militants, Jorai Debbarma and Esrai Debbarma, during an encounter at Ekcherri under Sidhai police station in the West Tripura district.
  • August 20: Two NLFT militants are killed in an encounter with troops of Tripura State Rifles at Thalikpara under Kanchanpur PS in North Tripura district.
  • August 20: Police commandos arrest one UNLF member at Tekcham village in Thoubal district.
  • September 14: BDR personnel hand over 18 ATTF militants to the BSF authorities at Khowai Immigration Centre in West Tripura district.
  • September 18: One surrendered militant, Surajit Debbarma, is abducted by the ATTF militants from an unspecified village in the West Tripura district. The surrendered militant was a NLFT cadre.
  • September 27: Four militants belonging to the Biswamohan Debbarma faction of the NLFT are arrested by the Assam Rifles personnel while extorting money from people at Sailut village under Vangmun police station in the North Tripura district.
  • September 27: On NLFT cadre of Biswamohan Debbarma faction is arrested by the Tripura State Rifles personnel during a search operation at Naisingpara under Ambassa police station in the Dhalai district.
  • September 30: Assam Rifles arrest two NLFT militants from Belbari area in the West Tripura district.
  • October 1: Three persons killed, about 120 injured in four low intensity blasts within a span of few hours in Agartala city. The blasts occurred between 7.30 and 8 pm in crowded places teeming with pre-Id and pre-Puja shoppers.
  • October 3: Self styled ATTF leader Ranjit Debbarma surrenders to the special police branch in Rantanpur area of Khowai subdivision in West Tripura district.
  • October 5: NLFT denies its link with the October 1 serial blasts.
  • October 10: Crime Investigation Department (CID) states that the preliminary investigations into the October 1 serial blasts in state capital Agartala indicate a nexus between the Jehadi elements and the ATTF.
  • October 13: Tripura Police arrest two tribal youths, 24 hours after busting their rented house where explosives for the October 1 serial blasts were allegedly assembled. The police suspect them to be collaborators of the ATTF.
  • October 14: Investigations point at the involvement of ULFA in the October 1 serial blast in the Tripura capital, Agartala. ULFA militants had provided primary training in the use of explosives to a group of ATTF militants, besides supplying them bomb-making materials. According to CID’s report, Surjya Debbarma masterminded the blasts.
  • October 15: Tripura police arrest two persons termed as key participants in the October 1 Agartala serial blasts and recovered the mobile set used as remote for the blasts. Police said that the main accused Bikash Debbarma was arrested from Khowai along with the explosive supplier Dinesh Debbarma, a surrendered ATTF militant.
  • October 17: A joint team of CID and Tripura Police arrest a key suspect of October 1 Agartala blast, identified as Kumariya Debbarma, from Duski area under Teliamura police station in the West Tripura district.
  • October 22: One tribal youth Tapan Debbarma is abducted at gun point by a group of armed ATTF militants from Musrai Para village in the Champahowar police station of West Tripura district.
  • October 24: TSR personnel shot dead an unidentified militant during an encounter at Adhikaripara under Manu police station in the Dhalai district.
  • November 7: Sachindra Debbarma, the prime accused of Agartala serial blasts on October 1, has confessed that the blasts were planned at a hideout of the Assam based NDFB in Moulavibazar of Bangladesh on July 22. The cadres of Pakistan-based ISI and Bangladesh-based DGFI, seven militant outfits of the north-eastern region had attended the meeting and planned out the blueprint of Agartala blasts.
  • November 14: Forty three surrendered cadres of the Biswamohan Debbarma faction of the NLFT threaten to launch protests by fasting unto death unless pending criminal cases against them are withdrawn immediately.
  • November 14: Two ultras surrender
  • Nov 20: Two insurgents of the outlawed National Liberation Front of Tripura (NLFT) have surrendered to the police and one AK-56 rifle was recovered by Assam Rifles in Tripura, police said today.
  • December 1: Police recover bullet ridden dead body of an unidentified tribal youth from the ambush point at Wadukcherra in the Dhalai district, where three BSF personnel and a NPCC supervisor were killed by the NLFT militants on November 29.
  • December 3: Three ATTF militants, identified as Sailen Debbarma, Dherendra Debbarma and Manoj Debbarma, surrender before the Tripura State Rifles and Assam Rifles personnel at Nandibairagibari of Champak Nagar police station in the West Tripura district.
  • December 3: One NLFT militant, identified as Surjyaram Reang, surrenders before Major R.K. Saha of Assam Rifles at Kakracherra of Mungiakami police station in the West Tripura district.
  • December 5: Five ATTF militants, identified as Priya Ranjan Debbarma, Manoj Debbarma, Ratan Sadhan Jamatia, Ananta Debbarma and Usha Ranjan Debbarma, surrender before the Assam Rifles at Hrankhalpara camp under Teliamura police station in the West Tripura district.
  • December 7: Tripura police have initiated a process to establish an Anti-Terrorist Squad (ATS) to counter the potential threat perception, said Director General of Police (DGP) Pranay Sahay.
  • December 12: One NLFT militant, identified as Toksingh Reang of Teliamura sub-division, surrenders before the Assam Rifles at Kakracherra under Mungiakami Police Station in the West Tripura District.
  • December 15: Two cadres of the Biswamohan Debbarma faction of the National Liberation Front of Tripura, identified as Ukhil Mani Reang and Mandiram Reang, surrender before Officer-in-Charge of the Kanchanpur Police Station in North Tripura District.
  • December 28: The CID submits a charge sheet against 12 persons for their alleged involvement in the Agartala serial blasts on October 1. The investigation reveals that the ATTF had carried out the serial blasts. Of the accused, Dinesh Debbarma, Bikash Debbarma, Sachindra Debbarma, Kumariya Debbarma, Santanu Chowdhury, Budhi Debbarma and Amal Acharjee are in judicial custody.

2007

  • February 8: Ratansen Tripura, a tribal leader belonging to the ruling CPI-M, is killed by NLFT insurgents at his home in Ratan Nagar village of Dhalai district .
  • February 10: Nine militants of the Meghalaya-based HNLC, including its senior leader Herman Pakyntein, surrenders at Panisagar in the North Tripura district.
  • March 6: Two Tripura State Rifles (TSR) personnel, Samir Choudhury and Aloke Das, are killed and two others, Shyama Chandra Debbarma and Sukdeb Tripura, are seriously injured in an ambush by ATTF militants at Binan Hazaripara under Champahawr police station in Khowai subdivision of West Tripura district.
  • August 28: NLFT insurgents attack a work site of the Northeast Frontier Railway at Swapnabari under Manu police station in the Dhalai district and killed a soldier of the Tripura State Rifles. At least seven persons, including two security force personnel, have reportedly been killed in August.
  • October 10: The Tripura People’s Democratic Front (TPDF), the political wing of the ATTF, in an e-mailed message to the media, announces the formation of a joint platform comprising the TPDF, Kamtapur Liberation Organization (KLO), and the Manipur People’s Liberation Front (MPLF).
  • December 5: Four persons, including two drivers of private vehicles, are abducted by suspected BNCT militants at Kanchanpur in the North Tripura district.
  • December 10: Santilal Tripura, a self-styled sergeant and Mrinal Debbarma, a self-styled corporal of the Bishwamohan faction of NLFT surrender before Tripura State Rifles at 22 Card TSR Post. However, no arms are deposited.
  • December 31: NLFT insurgents gun down Chandra Mohan Debbarma, a veteran tribal Communist leader, at Naksiraipara under Kalyanpur police station in West Tripura.

2006

  • January 2: 33 cadres belonging to the outlawed National Liberation Front of Tripura (NLFT) and All Tripura Tiger Force (ATTF) surrender along with 18 weapons before the Director General of Police, G. M. Srivastava.
  • January 11: Seven Communist Party of India-Marxist (CPI-M) activists, including their local leader Harendra Tripura, are abducted by the NLFT from the Aswini Roajapara village under Raishyabari police station in Dhalai district.
  • April 24: NLFT cadres kill a truck driver, Ratan Roy, and wounded four others at Unish Mile along the Ambassa-Gandacherra road under Ganganagar police station in the Dhalai district following the withdrawal of CRPF personnel who reportedly used to escort the vehicles.
  • September 7: A Special Police Officer, Jahindra Debbarma, is abducted and later shot dead by NLFT insurgents at Gokulpur area under Teliamura police station in West Tripura district.
  • October 23: About 809 BLFM militants surrender at Naisingpara in the North Tripura district.

2005

  • February 27: The ATTF abducts Bidyacharan Debbarma, a senior CPM tribal leader, from the Mandai area under Jirania police station in West Tripura district.
  • April 17: An engineer of the Oil and Natural Gas Commission (ONGC) is killed by the ATTF at Montfort village in the West Tripura district.
  • May 10: Five villagers are killed by NLFT insurgents in a raid on two villages- Madanjoypara and Jogendra Karbaripara, under Raishyabari police station in Dhalai district. All the deceased belonged to the Chakma community.
  • August 15: Four NLFT militants are killed and another sustains injuries during an internecine clash between two groups of the outfit over the issue of surrender at Longtarai hill range in the Dhalai district.
  • September 25: Eight non-tribal villagers are gunned down by NLFT insurgents at Debnath Para in West Tripura district.
  • October 16: Suspected ATTF militants kill a CPI-M member, identified as Bidya Debbarma, at Janmaejoynagar under Jirania police station in the West Tripura district.

2004

  • January 3: NLFT insurgents kill five Border Security Force (BSF) personnel and injure six others in an ambush at Raishabari in South Tripura district.
  • January 9: Suspected NLFT militants abduct a leader of the Communist Party of India-Marxist (CPI-M) from Longtarai Valley subdivision in the Dhalai district.
  • March 20: An assistant manager of a brick kiln and four labourers are killed by ATTF insurgents at Champaknagar under Jirania police station area in West Tripura district.
  • May 6: Seventy two NLFT militants, including 22 female cadres, led by General Secretary Mantu Koloy surrender before the Tripura Governor Dinesh Nandan Sahay in the capital Agartala. The other top ‘commanders’ who laid down arms include self-styled vice president Kamini Debbarma, ‘finance secretary’ Bishnuprasad Jamatia, ‘assistant finance secretary’Dhanu Koloy, ‘chief of army staff’ Benoy Debbarma and ‘deputy army chief’ Sanjiv Debbarma.
  • May 17: An Assistant Commandant of BSF and five other personnel are killed in an ambush by the Biswamohan Debbarma faction of the NLFT at Thalcherra-Gobindabari road in Dhalai district.
  • June 6: NLFT-B militants kill a CPI-M worker at Ramratanpara village in the Dhalai district and abduct the teenage daughter of another CPI-M activist from the same place.
  • June 14: NLFT militants belonging to the Biswamohan Debbbarma faction abduct 24 traders after waylaying two trucks at Quairi village in the North Tripura district.
  • July 26: Seventeen traders abducted by NLFT insurgents on June 14 reach Khantlang border outpost in Tripura after being set free by the outfit from an unspecified hideout located in the Chittagong Hill Tracts of Bangladesh.
  • October 23: A senior CPI-M leader, Gaganjay Tripura, is killed and a security force personnel is injured in an attack by NLFT insurgents at Gandacherra town in Dhalai district.
  • December 25: 138 cadres of the National Liberation Front of Tripura-Nayanbashi Jamatiya surrender before the Tripura Governor, D.N. Sahay, at the State Police Training Centre in capital Agartala.
  • December 28: In a major ambush, insurgents belonging to the Biswamohan Debbarma faction of NLFT kill at least sixteen Territorial Army personnel and injure three others at Agumabari in South Tripura district.

2003

  • January 26: NLFT insurgents attack a CPI-M election rally, killing eleven persons. Incident takes place in Mandai village of West Tripura district .
  • February 26: Five Border Security Force (BSF) personnel and a civilian returning from poll duty are killed in an ambush laid by NLFT militants at Snatarampara, West Tripura district. Three BSF personnel are injured in the attack.
  • March 29: Five security force personnel and two civilians are killed in an ambush by NLFT insurgents at Sindukumarpara under Manu police station in Dhalai district.
  • April 8: An attack on a private gathering by NLFT insurgents result in the death of five persons and injury to eight others. Incident takes place at Jagabandhpura in Dhalai district.
  • May 6: ATTF insurgents kill eighteen persons and injure six others during a raid on Sidhai village of West Tripura district.
  • May 7: NLFT insurgents open indiscriminate fire at the busy Mohorchora market area, killing ten persons and injuring six. The market falls under the jurisdiction of Kalyanpur police station in West Tripura district.
  • July 16: In two separate incidents, NLFT insurgents kill ten persons, including four activists of the ruling CPI-M at Kachucherra in Dhalai district.
  • August 11: ATTF insurgents kill seven police personnel and injure seven others at Barkathal in West Tripura district.
  • August 14: Thirty non-tribals are gunned down by ATTF insurgents in two separate attacks at Totabari and Baralunga villages of West Tripura district. November 1: NLFT insurgents kill the wife and four children of a surrendered insurgent of their own outfit at Lailakbari village in South Tripura district.
  • September 29: NLFT insurgents kill six CPI-M activists at Duraicherra in the Dhalai district kill six members of the Jamatiya community in South Tripura district. Among those killed are three CPI-M members.
  • November 14: ‘Area commander’ of NLFT-Nayanbasi faction, Sujit Debbarma, is killed in an encounter at Golokpara in the West Tripura district.
  • December 6: Seven ATTF militants are killed and eight others injured in an attack by the rival NLFT terrorists at Satcherri in the Habiganj district of Bangladesh, close to the Simna area of Sadar subdivision in the West Tripura district.

2002

  • January 13: NLFT insurgents kill sixteen persons at Singicherra in West Tripura district.
  • January 18: ATTF insurgents ambush the convoy of State Industries Minister Pabitra Kar and the opposition leader of Tripura assembly. No casualty is reported.
  • February 5: Six tribal members of the Gana Mukti Parishad (GMP) are killed by NLFT insurgents at Paschim Nalicherra in Dhalai district.
  • February 9: A senior leader of the Nayanbasi faction of NLFT, Benjamin Hrangkhal, is killed in an encounter by security forces at Herma in West Tripura district.
  • May 29: Four Tripura State Rifles (TSR) personnel killed and ten others injured in an ambush laid allegedly by NLFT militants at Ghagracherra, in Tripura's Dhalai district.
  • July 17: NLFT insurgents abduct nine Communist Party of India-Marxist (CPI-M) activists from Mendi village in South Tripura district.
  • July 21: Suspected NLFT militants abduct five labourers from Jamir Chara in Dhalai district.
  • July 26: Six security force personnel, escorting a group of Oil and Natural Gas Corporation (ONGC) field staff, are killed by NLFT insurgents at Debendra Sardarpara in West Tripura district.
  • August 20: Twenty Tripura State Rifles personnel are killed and four others injured by NLFT insurgents in West Tripura district.
  • October 9: NLFT insurgents kill nine security force personnel in an ambush at a place called Raishabari in Dhalai district.
  • October 26: ATTF insurgents kill eight civilians and injure nine others at Battila in West Tripura district.
  • November 15: Four top-ranking leaders of ATTF including Pramode Debbarma, the editor of ATTF mouthpiece Choba, surrender before Assam Rifles (AR) personnel at Ganki in West Tripura district.

2001

  • January 8: National Liberation Front of Tripura (NLFT) militants abduct 14 employees of the Indian Railways and two others in separate incidents in North Tripura and Dhalai districts, on January 7 and January 8.
  • February 21: NLFT militants release nine railway workers abducted on January 7, somewhere near Dhamchara in Dhalai district.
  • February 22: 17 TNSF militants led by Kironjoy Reang surrender in Agartala.
  • March 3: Thirteen people, including eleven Central Reserve Police Force (CRPF) personnel, are killed in an ambush by ATTF insurgents at Bampur in South Tripura district.
  • March 21: Seven civilians and four Border Security Force (BSF) personnel lose their lives in an ambush laid by NLFT insurgents in North Tripura district.
  • March 24: Three civilians and two security force personnel are killed in an ambush by NLFT insurgents at Shikaribari in Dhalai district.
  • April 15: ATTF insurgents open indiscriminate firing, killing eleven members of the Bengali community and injuring five others, at Khas Kalyanpur village in West Tripura district.
  • April 25: ATTF insurgents kill eight security force personnel at Kantakobra in West Tripura district.
  • May 27: ATTF insurgents attack the headquarters of Tripura Tribal Area Autonomous District Council (TTAADC) located at Khumulawng, killing a Deputy Superintendent of Police (DSP). Two ATTF insurgents also lose their lives.
  • March 27: Thirty eight militants of the Borok National Council of Tripura (BNCT), including its front-ranking leader Alendra Debbarma, surrender in Dhalai district.
  • April 4: Twenty seven BNCT militants surrender in the Lalcherra area of Dhalai district.
  • April 9: Five persons including four paramilitary personnel of the Central Industrial Security Force (CISF) killed and four injured in an ambush by unidentified militants at Tulabagan area in West Tripura district.
  • May 22: Sixty militants including 25 NLFT, one ATTF and 34 collaborators surrender at Narsinghgarh.
  • June 21: Fourteen BNCT militants surrender in Agartala
  • July 30: NLFT insurgents kill three divisional committee members of CPI-M in Longthoraivally subdivision of Dhalai district
  • August 6: Six employees abducted by NLFT militants from two tea gardens in North Tripura district.
  • September 2: NLFT insurgents

2000

  • March 24: In an ambush laid by NLFT insurgents, five security force personnel are killed at Siddhichara in Dhalai district.
  • April 15: NLFT insurgents kill twelve persons and injure seven others in West Tripura district.
  • April 20: NLFT insurgents kill eight persons at Laxmipur in North Tripura district.
  • May 18: Seven persons, including four women, are killed by NLFT insurgents in South Tripura district.
  • May 17, 18, 19, 20: In incidents spread over four days, NLFT and United Bengali Liberation Front (UBLF) insurgents killed fourty-five persons in various places of West Tripura district.
  • July 9: NLFT insurgents attack the headquarters of Bru National Liberation Front (BNLF), a Mizoram-based insurgent group located in the Jampui Hills across Bangladesh, and kill seventy insurgents of BNLF. Many top leaders of the outfit are also among the dead.
  • September 4: Seventy Tripura Tribal Commando Force (TTCF) militants surrender in Agartala.
  • October 27: NLFT insurgents kill five civilians, including a child, at a place called Debendra Sardarapara in West Tripura district.
  • November 19: Fourteen persons are killed by NLFT insurgents at Borahaldi in North Tripura district.

1999

  • January 5: NLFT militants kill a teacher and abduct nine other persons, including a Bank Manager, in West Tripura district.
  • February 9: NLFT insurgents kill five non-tribals and injure eight others in Sripur village in North Tripura.
  • March 10: Six NLFT militants killed in an encounter with security forces at Khedacheera in North Tripura district.
  • April 11: In two separate attacks, NLFT insurgents kill six persons and injure seven others at Tulamura Bazar area in Tripura.
  • April 30: Nineteen NLFT militants lay down arms at Udaipur in South Tripura district.
  • July 10: Six people, including five security force personnel, are killed in an ambush laid by ATTF insurgents at Takumbari in South Tripura district.
  • August 12: NLFT insurgents kill six persons in an ambush at Manu in Dhalai district.
  • September 26: NLFT insurgents kill eight BSF personnel in an ambush at Thakcherra Chhamamu in Dhalai district.
  • November 14: Seventeen persons are killed and nine others injured in attacks by ATTF insurgents at Panchabati Bazar in West Tripura district.
  • November 15: ATTF insurgents kill seventeen persons at an unspecified place in Tripura November 22: Eight Tripura police constables are killed by NLFT insurgents at Banduar area under Udaipur sub-division of South Tripura district.
  • November 22: Eight Tripura police constables killed by NLFT at Banduar area under Udaipur sub-division of South Tripura district.

1998

  • January 2: An ATTF commander, Bipin Debbarma, is arrested at Tulshikhar under Teliamuru police station in Khowai sub-division of West Tripura district.
  • February 12: NLFT insurgents ambush a security patrol killing six Tripura State Rifles (TSR) personnel. Incident takes place at Champraipara in Dhalai district.
  • March 20: ATTF insurgents kill nine persons in different locations of the state.
  • March 22: Five Tripura State Rifles personnel are killed and two others are injured in an ambush by ATTF insurgents. Incident takes place at Ganganamant Sardar Para under Kalyanpur police station in West Tripura district.
  • March 31: The Health Minister of Tripura, Bimal Sinha, is assassinated by NLFT insurgents in an ambush at a place called Abhanga in Dhalai district. A brother of the minister is also killed in the incident.
  • September 7: Twelve civilians injured as NLFT cadres open fire on a bus at Aloepara in South Tripura district.
  • October 10: NLFT insurgents kill eight persons in West Tripura district.

1997

  • January 31: Unidentified tribal militants kill six non-tribals and injure 20 others in a predawn attack at Taidu Bazar in the South Tripura district.
  • February 5: 140 Tripura Resurrection Army (TRA) cadres, including its ‘supreme commander’ Dhananjoy Reang, surrender at Korbok near the India-Bangladesh border.
  • February 12: ATTF insurgents kill seventeen non-tribals and injure twenty others at Tharul Bachai village in West Tripura district. More than fourty houses are also set ablaze.
  • March 8: 77 Tiger Liberation Organisation (TLO) militants, including its ‘commander’ Gucharan Debbarma, surrender at Mungabari in the West Tripura district.
  • March 13: Ninety-eight militants, including 47 Tripura National Sengkrak Force (TNSF), 14 Tripura Liberation Force (TLF) and five Tripura Tribal Youth Force (TTYF) cadres, surrender at Gandacherra in Dhalai district.
  • May 7: NLFT insurgents kill eighteen Central Reserve Police Force (CRPF) personnel and a policeman at Khumulung in South Tripura district.
  • June 10: Eighteen persons, including nine security force personnel belonging to the Territorial Army and Ground Reserve Engineering Force (GREF), are killed in an ambush at Chamanu village in Dhalai district.
  • July 12: Thirty one Tripura Tribal Youth Force (TTYF) militants surrender at Gandacherra in the Dhalai district.
  • September 13: Four ATTF militants are killed in a clash with NLFT cadres at Bhandarima in the North Tripura district.
  • September 23: During an ATTF ambush on a police patrol party, seventeen civilians and five ATTF insurgents lose their lives. Incident takes place at Dagabil in West Tripura district.
  • November 11: Eleven civilians and nine security force personnel lose their lives in an explosion triggered by NLFT insurgents near Raishyabari in Dhalai district.

1996

  • January 20: ATTF insurgents ambush health workers involved in Pulse Polio Immunization programme, killing six and injuring eleven. Incident takes place at an unspecified location in the state.
  • January 20: Five Central Reserve Police Force (CRPF) personnel and a civilian are killed and 11 persons injured in an attack by unidentified militants at Hejamara under Sidhai police station jurisdiction in West Tripura District.
  • February 6: NLFT insurgents kill an Assistant Commandant of the Border Security Force (BSF) along with his driver at a place called Kheegenbari under Khowai subdivision in West Tripura district.
  • February 25: Tripura Resurrection Army (TRA) militants kill Durjala Reang, a CPI-M leader and Chairman of Block Committee, at Lougang under Natunbazar police station limits in South Tripura district.
  • April 4: Six Central Industrial Security Force (CISF) personnel are killed in an ambush by NLFT insurgents on the outskirts of state capital Agartala.
  • April 11: Thirty one ATTF militants led by ‘area commander’ Jagadish Debbarma surrender before the Sub Divisional Officer of Kamalpur at Machuria in Dhalai district.
  • May 12: Armed NLFT insurgents enter the Rathilila local market and kill nine persons, which included eight businessmen and a CPI-M worker. The market is located under Khowai subdivision in West Tripura district.
  • May 17: Twenty two cadres of the Liberation of Tripura Tribal Force (LTTF), an affiliate of the NLFT, surrender before authorities at Thelakumin in West Tripura district.
  • June 19: Forty seven ATTF militants led by ‘area commander’ Basudar Halam surrender at Kamalpur in Dhalai district.
  • September 30: The commander of ATTF, Chill Debbarma, is killed in an encounter with the security forces at Jharilangbari under Teliamura police station limits in West Tripura district.
  • November 28: Five CISF personnel are killed and eight others injured in an ambush by unidentified militants while they were proceeding towards the Oil and Natural Gas Commission (ONGC) drilling site from Agartala.at Bagbari in West Tripura district.
  • December 13: NLFT insurgents kill twenty-five non-tribals and injure twenty-seven others at Kalyanpur in West Tripura district.
  • December 20: NLFT insurgents ambush and kill nine police personnel, on their way to rescue some abducted bus passengers, at an unspecified place in North Tripura district.

1995

  • January 21: 159 Tripura Tribal Democratic Force (TTDF) cadres surrender at Killa in the South Tripura district
  • February 18: 58 Sengkrak insurgents led by ‘area commander’ Mohan Kumar Jamatiya surrender at Amarpur in the South Tripura district
  • July 13 : NLFT insurgents kill seven security force personnel escorting a passenger bus at Hejamara under Manu police station in Dhalai district. They also loot a huge quantity of ammunition from the security forces.
  • August 11: NLFT militants kill four GREF personnel, injure two others in an ambush at Jaliya under Natum Bazar police station limits in South Tripura district.
  • September 20: 214 ATTF militants surrender along with huge cache of arms and ammunition at an unspecified place in the South Tripura district.
  • October 16: 175 All Tripura Volunteer Force (ATVF) cadres surrender along with arms and ammunition at an unspecified place in the West Tripura district.
  • October 20: 67 Tripura Liberation Organisation (TLO) cadres surrender at Patni under Jirania police station jurisdiction in the West Tripura district.
  • December 30: 160 cadres of the Tripura Liberation Organisation (TLO) surrender at Sadan in the West Tripura district.

1993

  • May 25: ATTF insurgents kill six persons, including four Tripura State Rifles personnel, in an ambush near Dalpatipara in South Tripura district.
  • September 6: 739 All Tripura Tiger Force ( ATTF) insurgents lay down arms.
  • September 20: NLFT militants attacked a police station and killed seven security force personnel and injured nine others in North Tripura district.

1992

  • January 3: ATTF insurgents ambush the convoy of Tripura Chief Minister Sudhir Ranjan Mazumdar at Sindheukummarpara in North Tripura district. The Chief Minister escapes unhurt.
  • April 13: ATTF insurgents kill a senior Tripura Upajati Juba Samity (TUJS) leader Debabrata Debbarma in North Tripura district.

1991

  • October 28: Massive combing operations are launched by security forces against ATTF insurgents.

1988

  • August 12: More than 400 TNV militants led by Bijoy Hrangkhawl lay down arms and come over-ground under a tripartite agreement between the Union and State governments and the TNV. The significant point of the agreement, Memorandum of Understanding With Tripura National Volunteers, was restoration of alienated lands to tribal people.

1980

  • June: More than 500 killed in armed clashes between tribals and Bengali-speaking settlers in Mandai, Amarpur and other places.

 

 

 

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