He was elected to the Lok Sabha, the lower house of the Indian Parliament, from Autonomous District constituency in Assam, India in 1991, 1996, 1998 as a candidate of the Autonomous State Demand Committee and in 1999 as a candidate of the Communist Party of India (Marxist-Leninist) Liberation.
He is also the only MP to win and hold the position for 4 consecutive general election in the Autonomous District constituency.