Thuingaleng Muivah (born 3 March 1934) is a Naga nationalist politician and General Secretary of the National Socialist Council of Nagaland (I-M).
[1] He joined the Naga National Council (NNC), an armed group campaigning for secession of Nagaland from India.
[3] In 1980, a faction led by Isak Chishi Swu, S. S. Khaplang and Muivah broke away from NNC to form the National Socialist Council of Nagalim (NSCN).
[4] The NSCN was formed as a result of discontentment with the Shillong Accord, and continued secessionist activities abandoned by the NNC.
NSCN (I-M) under the leadership of Thuingaleng Muivah and Isak Chishi Swu signed a ceasefire agreement with the Government of India in August 1997 after decades of engaging in hostile fighting with Indian security forces.