| 1 | A | B | C | D | E | F | G | H |
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| 2 | List of Chief Ministers of West Bengal - Chief Ministers of West Bengal |  |  |  |  |  |  |  |
| 3 | No. | Name Constituency | Tenure | Tenure | Duration | Assembly (election) | Party (alliance) | Party (alliance) |
| 4 | (2) | Bidhan Chandra Roy Bowbazar | 26 January 1950 | 30 March 1952 | 12 years, 156 days (total: 14 years, 158 days) | Legislative Assembly (1946–52) (January 1946 election) | Indian National Congress | - |
| 5 | (2) | Bidhan Chandra Roy Bowbazar | 31 March 1952 | 5 April 1957 | 12 years, 156 days (total: 14 years, 158 days) | First Assembly (1952–57) (January 1952 election) | Indian National Congress | - |
| 6 | (2) | Bidhan Chandra Roy Bowbazar | 6 April 1957 | 2 April 1962 | 12 years, 156 days (total: 14 years, 158 days) | Second Assembly (1957–62) (March 1957 election) | Indian National Congress | - |
| 7 | (2) | Bidhan Chandra Roy Bowbazar | 3 April 1962 | 1 July 1962 | 12 years, 156 days (total: 14 years, 158 days) | Third Assembly (1962–67) (February 1962 election) | Indian National Congress | - |
| 8 | 3 | Prafulla Chandra Sen Arambagh East | 9 July 1962 | 28 February 1967 | 4 years, 234 days | Third Assembly (1962–67) (February 1962 election) | Indian National Congress | - |
| 9 | 4 | Ajoy Kumar Mukherjee Tamluk | 1 March 1967 | 21 November 1967 | 265 days | Fourth Assembly (1967–68) (February 1967 election) | Bangla Congress (United Front) | - |
| 10 | (1) | Prafulla Chandra Ghosh Jhargram | 21 November 1967 | 19 February 1968 | 90 days (total: 250 days) | Fourth Assembly (1967–68) (February 1967 election) | Independent (Progressive Democratic Front) | - |
| 11 | – | Vacant (President's rule) | 20 February 1968 | 25 February 1969 | 1 year, 5 days | Dissolved | N/A | - |
| 12 | (4) | Ajoy Kumar Mukherjee Tamluk | 25 February 1969 | 16 March 1970 | 1 year, 19 days | Fifth Assembly (1969–70) (February 1969 election) | Bangla Congress (United Front) | - |
| 13 | – | Vacant (President's rule) | 19 March 1970 | 30 July 1970 | 1 year, 14 days | Fifth Assembly (1969–70) (February 1969 election) | N/A | - |
| 14 | – | Vacant (President's rule) | 30 July 1970 | 2 April 1971 | 1 year, 14 days | Dissolved | N/A | - |
| 15 | (4) | Ajoy Kumar Mukherjee Tamluk | 2 April 1971 | 28 June 1971 | 87 days (total: 2 years, 6 days) | Sixth Assembly (1971) (March 1971 election) | Indian National Congress (Democratic Coalition) | - |
| 16 | – | Vacant (President's rule) | 29 June 1971 | 20 March 1972 | 265 days | Dissolved | N/A | - |
| 17 | 5 | Siddhartha Shankar Ray Malda | 20 March 1972 | 30 April 1977 | 5 years, 41 days | Seventh Assembly (1972–77) (March 1972 election) | Indian National Congress (Progressive Democratic Alliance) | - |
| 18 | – | Vacant (President's rule) | 30 April 1977 | 20 June 1977 | 51 days | Dissolved | N/A | - |
| 19 | 6 | Jyoti Basu Satgachhia | 21 June 1977 | 23 May 1982 | 23 years, 137 days | Eighth Assembly (1977–82) (June 1977 election) | Communist Party of India (Marxist) (Left Front) | - |
| 20 | 6 | Jyoti Basu Satgachhia | 24 May 1982 | 29 March 1987 | 23 years, 137 days | Ninth Assembly (1982–87) (May 1982 election) | Communist Party of India (Marxist) (Left Front) | - |
| 21 | 6 | Jyoti Basu Satgachhia | 30 March 1987 | 18 June 1991 | 23 years, 137 days | Tenth Assembly (1987–91) (March 1987 election) | Communist Party of India (Marxist) (Left Front) | - |
| 22 | 6 | Jyoti Basu Satgachhia | 19 June 1991 | 15 May 1996 | 23 years, 137 days | Eleventh Assembly (1991–96) (May 1991 election) | Communist Party of India (Marxist) (Left Front) | - |
| 23 | 6 | Jyoti Basu Satgachhia | 16 May 1996 | 5 November 2000 | 23 years, 137 days | Twelfth Assembly (1996–2001) (May 1996 election) | Communist Party of India (Marxist) (Left Front) | - |
| 24 | 7 | Buddhadeb Bhattacharya Jadavpur | 6 November 2000 | 14 May 2001 | 10 years, 188 days | Twelfth Assembly (1996–2001) (May 1996 election) | Communist Party of India (Marxist) (Left Front) | - |
| 25 | 7 | Buddhadeb Bhattacharya Jadavpur | 15 May 2001 | 17 May 2006 | 10 years, 188 days | Thirteenth Assembly (2001–06) (May 2001 election) | Communist Party of India (Marxist) (Left Front) | - |
| 26 | 7 | Buddhadeb Bhattacharya Jadavpur | 18 May 2006 | 13 May 2011 | 10 years, 188 days | Fourteenth Assembly (2006–11) (April–May 2006 election) | Communist Party of India (Marxist) (Left Front) | - |
| 27 | 8 | Mamata Banerjee Bhabanipur | 20 May 2011 | 25 May 2016 | 7 years, 345 days | Fifteenth Assembly (2011–16) (April–May 2011 election) | All India Trinamool Congress | - |
| 28 | 8 | Mamata Banerjee Bhabanipur | 26 May 2016 | Incumbent | 7 years, 345 days | Sixteenth Assembly (2016–21) (April–May 2016 election) | All India Trinamool Congress | - |

Question: Who has been serving as Chief Minister of West Bengal since 2011?
Answer: Mamata Banerjee is serving as the 8th and current Chief Minister of West Bengal and has been since 2011.