Article: List of Chief Ministers of West Bengal

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.
Evidence table:
No.
Name Constituency
Tenure
Tenure
Duration
Assembly (election)
Party (alliance)
Party (alliance)
(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
-
(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
-
(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
-
(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
-
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
-
4
Ajoy Kumar Mukherjee Tamluk
1 March 1967
21 November 1967
265 days
Fourth Assembly (1967–68) (February 1967 election)
Bangla Congress (United Front)
-
(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)
-
–
Vacant (President's rule)
20 February 1968
25 February 1969
1 year, 5 days
Dissolved
N/A
-
(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)
-
–
Vacant (President's rule)
19 March 1970
30 July 1970
1 year, 14 days
Fifth Assembly (1969–70) (February 1969 election)
N/A
-
–
Vacant (President's rule)
30 July 1970
2 April 1971
1 year, 14 days
Dissolved
N/A
-
(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)
-
–
Vacant (President's rule)
29 June 1971
20 March 1972
265 days
Dissolved
N/A
-
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)
-
–
Vacant (President's rule)
30 April 1977
20 June 1977
51 days
Dissolved
N/A
-
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)
-
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)
-
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)
-
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)
-
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)
-
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)
-
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)
-
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)
-
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
-
8
Mamata Banerjee Bhabanipur
26 May 2016
Incumbent
7 years, 345 days
Sixteenth Assembly (2016–21) (April–May 2016 election)
All India Trinamool Congress
-