He remained MP from Cooch Behar Lok Sabha constituency eight times from 1977 to 1999, prior to which he was member of West Bengal Legislative Assembly MLA from Mekhliganj thrice (1962–1971).
[4] Pradhan started his political career at state-level, and was elected to the West Bengal Legislative Assembly from Mekhliganj three times, 1962, 1967 and 1977.
[1][5] He also published a number of books, including Upeksit Uttarbange, Sona Sonapat, Garibi Hatao Ekti Slogan Matra (all in Bengali), and Forward towards Mighty Peasants Struggle, and Rule of Jungle (English).
[citation needed] His wife Santilata Roy Pradhan died prior to him.
[citation needed] Arghya Roy Pradhan, his younger son, became a Trinamool Congress MLA in West Bengal state assembly from the Tufanganj constituency in 2011.