Barman was a part of the
Indian National Congress and was elected to the Bengal Legislative Assembly from 1937 to 1945. He also served as a minister in the state between 1941 and 1943. In the first general elections in 1952, he contested from the North Bengal Lok Sabha seat and won. He again fought the Lok Sabha polls from Cooch Behar constituency in 1957 and won.
Ideology Barman was vocal about the rights of the backward castes. Reservation for the Scheduled Castes, then known as ‘Depressed Class’, was incorporated in the Government of India Act, 1935 which was passed by the British Parliament but Barman believed the condition of the backward castes had not improved. According to him, only a privileged few, who got the opportunity to get education, were in better condition. ==Literary career==