| West Bengal CM |
Tenure |
Party |
| Bidhan Chandra Roy |
26 January 1950 – 1 July 1962 |
Indian National Congress (INC) |
| Prafulla Chandra Sen |
9 July 1962 – 28 February 1967 |
Indian National Congress (INC) |
| Ajoy Kumar Mukherjee |
1 March 1967 – 21 November 1967 |
Bangla Congress (United Front) |
| Prafulla Chandra Ghosh |
21 November 1967 – 19 February 1968 |
Independent (Progressive Democratic Front) |
| President’s Rule |
20 February 1968 – 25 February 1969 |
N/A |
| Ajoy Kumar Mukherjee |
25 February 1969 – 16 March 1970 |
Bangla Congress (United Front) |
| President’s Rule |
19 March 1970 – 2 April 1971 |
N/A |
| Ajoy Kumar Mukherjee |
2 April 1971 – 28 June 1971 |
Bangla Congress (Democratic Coalition) |
| President’s Rule |
29 June 1971 – 20 March 1972 |
N/A |
| Siddhartha Shankar Ray |
20 March 1972 – 30 April 1977 |
Indian National Congress (Progressive Democratic Alliance) |
| President’s Rule |
30 April 1977 – 20 June 1977 |
N/A |
| Jyoti Basu |
21 June 1977 – 5 November 2000 |
Communist Party of India (Marxist) |
| Buddhadeb Bhattacharya |
6 November 2000 – 13 May 2011 |
Communist Party of India (Marxist) |
| Mamata Banerjee |
20 May 2011 – Present |
All India Trinamool Congress (AITC) |
