He is a Postgraduate in MA Political Science from Aligarh Muslim University.

[2] He represents the Samaguri constituency in the Assam Legislative Assembly for the Indian National Congress party since 2001.

He served as Minister of Forest and Environment and Panchayat and Rural Development, Government of Assam in the Tarun Gogoi ministry III from 2011 to 2016.

He was Minister of Environment and Forest, Tourism, Information and Public Relations, Printing and Stationery in the Tarun Gogoi government from 2006 to 2011.

[9] In 2024 India Lok Sabha elections, he won by one of the biggest margin of 10,12,476 votes.