[8] Bhattacharya, as a leading party member, was one of the WPI cadres caught in this wave of arrests.
[9] Bhattacharya won the Ballygunge constituency seat in the 1967 West Bengal Legislative Assembly election.
[3][6] Bhattacharya retained the Ballygunge seat in the 1969 West Bengal Legislative Assembly election.
[17] According to the thesis, a fascist system of governance was emerging in India under Congress (I) rule.
[18] Bhattacharya again contested the Ballygunge seat in the 1972 West Bengal Legislative Assembly election, finishing in second place with 18,181 votes (35.49%).
[20] He was expelled from WPI in early 1976, accused of 'anti-party activities' in the party organ Ganabiplab.