Nagaland insurgents NSCN (IM) make peace after nearly 40 years 5 Photos . Updated: 04 Aug 2015, 01:51 PM IST Livemint The Indian govt on Monday signed a historic peace deal with insurgent group National Socialist Council of Nagaland (Isaac-Muivah), paving way for establishing peace in the northeast 1/5PM Narendra Modi on Monday announced a peace accord with the NSCN (IM), a faction of the NSCN, and the biggest Naga rebel group in the restive Nagaland, ending the country’s oldest insurgency. Reuters 2/5A NSCN rebel surrenders his rifle to the Indian govt in 2001. The signing of the 2015 pact is the culmination of over 80 rounds of negotiations that spanned 16 years with the first breakthrough in 1997 when the ceasefire agreement was sealed. AFP 3/5NSCN was founded in 1980 by the trio of Isak Chishi Swu, Thuingaleng Muivah and S.S. Khaplang, in disagreement with the 1975 Shillong Accord. However, it split into NSCN (IM) and NSCN-K in April 1988, with NSCN-K led by Khaplang. AFP 4/5The government established contacts with the NSCN (IM) in the mid-1990s to explore the possibility of holding peace talks and Prime Minister PV Narasimha Rao met Muivah and Swu in Paris in June 1995. AFP 5/5However, NSCN-K, along with Ulfa and several other militant groups, is now part of the United Liberation Front of West South East Asia. It was responsible the June ambush in Manipur that killed 18 soldiers, and remains a problem for the govt. Reuters