De was born in Dalghat village, Chittagong District. As a student he joined the Jugantar movement. He was arrested by the British authorities and jailed for six years. Whilst in jail he obtained his B.A. degree. De was set free in 1938, after which he joined the Congress Socialist Party.
After the Partition of India De became the secretary of the Pakistan Socialist Party in East Pakistan. He also served as a professor at Dacca College for four years. He was arrested during the 1952 Language Movement. In 1954 he was elected to the East Pakistan Legislative Assembly from one of seats reserved for minorities.
De's favorite sports were tennis and cricket.
- East Pakistan (Pakistan). Assembly (1957). Alphabetical List of Members. East Pakistan Government Press. p. 48.
- Barque's Pakistan Trade Directory and Who's who. 1961. p. 2111.
- Jyoti Sen Gupta (1974). History of freedom movement in Bangladesh, 1943-1973: some involvement. Naya Prokash. p. 31.
- Saul Rose (1959). Socialism in Southern Asia. Oxford University Press. p. 65.
- Mankind, Vol. 12, issues 2-8. K. Patnayak. 1970. p. 40.