He was designated as Senior Advocate by Supreme Court of India in 1986. He was associated with Socialist Party.He played prominent role in negotiations for Mizoram Peace Accord which ended 20 years of insurgency. He also represented Government of India in the Nagaland peace negotiations. He was made Advocate General of Mizoram in 1987 and later Governor of Mizoram in 1990. He was the youngest ever Governor of a State. He was elected to the Rajya Sabha in August, 1998.