Answer
**Answer: No, Mukherjee was never a member of the Indian National Congress.** Mukherjee was a member of the Communist Party of India (Marxist) for most of his political career. He served as the General Secretary of the party from 1962 to 1969 and again from 1978 to 1984. He was also the Chief Minister of West Bengal from 1977 to 1982 and from 1982 to 1987.