<Table> <Tr> <Th> No </Th> <Th> Name </Th> <Th> Took office </Th> <Th> Left office </Th> <Th> Duration </Th> <Th> Assembly ( election ) </Th> <Th colspan="2"> Party ( alliance ) </Th> </Tr> <Tr> <Th colspan="7"> Premier of West Bengal </Th> </Tr> <Tr> <Td> </Td> <Td> Prafulla Chandra Ghosh </Td> <Td> 15 August 1947 </Td> <Td> 22 January 1948 </Td> <Td> 160 days </Td> <Td> Not yet created </Td> <Td> Indian National Congress </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td> Bidhan Chandra Roy </Td> <Td> 23 January 1948 </Td> <Td> 25 January 1950 </Td> <Td> 7002733000000000000 ♠ 2 years , 2 days </Td> </Tr> <Tr> <Th colspan="7"> Chief Minister of West Bengal </Th> </Tr> <Tr> <Td> ( 2 ) </Td> <Td> Bidhan Chandra Roy Bowbazar </Td> <Td> 26 January 1950 </Td> <Td> 30 March 1952 </Td> <Td> 7003453900000000000 ♠ 12 years , 156 days ( total : 14 years , 158 days ) </Td> <Td> Not yet created </Td> <Td> Indian National Congress </Td> <Td> </Td> </Tr> <Tr> <Td> 31 March 1952 </Td> <Td> 5 April 1957 </Td> <Td> First Assembly ( 1952 -- 57 ) ( January 1952 election ) </Td> </Tr> <Tr> <Td> 6 April 1957 </Td> <Td> 2 April 1962 </Td> <Td> Second Assembly ( 1957 -- 62 ) ( March 1957 election ) </Td> </Tr> <Tr> <Td> 3 April 1962 </Td> <Td> 1 July 1962 </Td> <Td> Third Assembly ( 1962 -- 67 ) ( February 1962 election ) </Td> </Tr> <Tr> <Td> </Td> <Td> Prafulla Chandra Sen Arambagh East </Td> <Td> 1 July 1962 </Td> <Td> 28 February 1967 </Td> <Td> 7003170300000000000 ♠ 4 years , 242 days </Td> </Tr> <Tr> <Td> </Td> <Td> Ajoy Kumar Mukherjee Tamluk </Td> <Td> 1 March 1967 </Td> <Td> 21 November 1967 </Td> <Td> 265 days </Td> <Td> Fourth Assembly ( 1967 -- 68 ) ( February 1967 election ) </Td> <Td> Bangla Congress ( United Front ) </Td> <Td> </Td> </Tr> <Tr> <Td> ( 1 ) </Td> <Td> Prafulla Chandra Ghosh Jhargram </Td> <Td> 21 November 1967 </Td> <Td> 19 February 1968 </Td> <Td> 90 days ( total : 250 days ) </Td> <Td> Independent ( Progressive Democratic Front ) </Td> <Td> </Td> </Tr> <Tr> <Td> -- </Td> <Td> Vacant ( President 's rule ) </Td> <Td> 20 February 1968 </Td> <Td> 25 February 1969 </Td> <Td> 7002371000000000000 ♠ 1 year , 5 days </Td> <Td> Dissolved </Td> <Td> N / A </Td> <Td> </Td> </Tr> <Tr> <Td> ( 4 ) </Td> <Td> Ajoy Kumar Mukherjee Tamluk </Td> <Td> 25 February 1969 </Td> <Td> 30 July 1970 </Td> <Td> 7002520000000000000 ♠ 1 year , 155 days </Td> <Td> Fifth Assembly ( 1969 -- 70 ) ( February 1969 election ) </Td> <Td> Bangla Congress ( United Front ) </Td> <Td> </Td> </Tr> <Tr> <Td> -- </Td> <Td> Vacant ( President 's rule ) </Td> <Td> 30 July 1970 </Td> <Td> 2 March 1971 </Td> <Td> 215 days </Td> <Td> Dissolved </Td> <Td> N / A </Td> <Td> </Td> </Tr> <Tr> <Td> ( 4 ) </Td> <Td> Ajoy Kumar Mukherjee Tamluk </Td> <Td> 2 April 1971 </Td> <Td> 25 June 1971 </Td> <Td> 84 days ( total : 2 years , 139 days ) </Td> <Td> Sixth Assembly ( 1971 ) ( March 1971 election ) </Td> <Td> Indian National Congress </Td> <Td> </Td> </Tr> <Tr> <Td> -- </Td> <Td> Vacant ( President 's rule ) </Td> <Td> 25 June 1971 </Td> <Td> 19 March 1972 </Td> <Td> 268 days </Td> <Td> Dissolved </Td> <Td> N / A </Td> <Td> </Td> </Tr> <Tr> <Td> 5 </Td> <Td> Siddhartha Shankar Ray Malda </Td> <Td> 20 March 1972 </Td> <Td> 30 April 1977 </Td> <Td> 7003186700000000000 ♠ 5 years , 41 days </Td> <Td> Seventh Assembly ( 1972 -- 77 ) ( March 1972 election ) </Td> <Td> Indian National Congress </Td> <Td> </Td> </Tr> <Tr> <Td> -- </Td> <Td> Vacant ( President 's rule ) </Td> <Td> 30 April 1977 </Td> <Td> 20 June 1977 </Td> <Td> 51 days </Td> <Td> Dissolved </Td> <Td> N / A </Td> <Td> </Td> </Tr> <Tr> <Td> 6 </Td> <Td> Jyoti Basu Satgacchia </Td> <Td> 21 June 1977 </Td> <Td> 23 May 1982 </Td> <Td> 7003853800000000000 ♠ 23 years , 137 days </Td> <Td> Eighth Assembly ( 1977 -- 82 ) ( June 1977 election ) </Td> <Td> Communist Party of India ( Marxist ) ( Left Front ) </Td> <Td> </Td> </Tr> <Tr> <Td> 24 May 1982 </Td> <Td> 29 March 1987 </Td> <Td> Ninth Assembly ( 1982 -- 87 ) ( May 1982 election ) </Td> </Tr> <Tr> <Td> 30 March 1987 </Td> <Td> 18 June 1991 </Td> <Td> Tenth Assembly ( 1987 -- 91 ) ( March 1987 election ) </Td> </Tr> <Tr> <Td> 19 June 1991 </Td> <Td> 15
<Table> <Tr> <Th> No </Th> <Th> Name </Th> <Th> Took office </Th> <Th> Left office </Th> <Th> Duration </Th> <Th> Assembly ( election ) </Th> <Th colspan="2"> Party ( alliance ) </Th> </Tr> <Tr> <Th colspan="7"> Premier of West Bengal </Th> </Tr> <Tr> <Td> </Td> <Td> Prafulla Chandra Ghosh </Td> <Td> 15 August 1947 </Td> <Td> 22 January 1948 </Td> <Td> 160 days </Td> <Td> Not yet created </Td> <Td> Indian National Congress </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td> Bidhan Chandra Roy </Td> <Td> 23 January 1948 </Td> <Td> 25 January 1950 </Td> <Td> 7002733000000000000 ♠ 2 years , 2 days </Td> </Tr> <Tr> <Th colspan="7"> Chief Minister of West Bengal </Th> </Tr> <Tr> <Td> ( 2 ) </Td> <Td> Bidhan Chandra Roy Bowbazar </Td> <Td> 26 January 1950 </Td> <Td> 30 March 1952 </Td> <Td> 7003453900000000000 ♠ 12 years , 156 days ( total : 14 years , 158 days ) </Td> <Td> Not yet created </Td> <Td> Indian National Congress </Td> <Td> </Td> </Tr> <Tr> <Td> 31 March 1952 </Td> <Td> 5 April 1957 </Td> <Td> First Assembly ( 1952 -- 57 ) ( January 1952 election ) </Td> </Tr> <Tr> <Td> 6 April 1957 </Td> <Td> 2 April 1962 </Td> <Td> Second Assembly ( 1957 -- 62 ) ( March 1957 election ) </Td> </Tr> <Tr> <Td> 3 April 1962 </Td> <Td> 1 July 1962 </Td> <Td> Third Assembly ( 1962 -- 67 ) ( February 1962 election ) </Td> </Tr> <Tr> <Td> </Td> <Td> Prafulla Chandra Sen Arambagh East </Td> <Td> 1 July 1962 </Td> <Td> 28 February 1967 </Td> <Td> 7003170300000000000 ♠ 4 years , 242 days </Td> </Tr> <Tr> <Td> </Td> <Td> Ajoy Kumar Mukherjee Tamluk </Td> <Td> 1 March 1967 </Td> <Td> 21 November 1967 </Td> <Td> 265 days </Td> <Td> Fourth Assembly ( 1967 -- 68 ) ( February 1967 election ) </Td> <Td> Bangla Congress ( United Front ) </Td> <Td> </Td> </Tr> <Tr> <Td> ( 1 ) </Td> <Td> Prafulla Chandra Ghosh Jhargram </Td> <Td> 21 November 1967 </Td> <Td> 19 February 1968 </Td> <Td> 90 days ( total : 250 days ) </Td> <Td> Independent ( Progressive Democratic Front ) </Td> <Td> </Td> </Tr> <Tr> <Td> -- </Td> <Td> Vacant ( President 's rule ) </Td> <Td> 20 February 1968 </Td> <Td> 25 February 1969 </Td> <Td> 7002371000000000000 ♠ 1 year , 5 days </Td> <Td> Dissolved </Td> <Td> N / A </Td> <Td> </Td> </Tr> <Tr> <Td> ( 4 ) </Td> <Td> Ajoy Kumar Mukherjee Tamluk </Td> <Td> 25 February 1969 </Td> <Td> 30 July 1970 </Td> <Td> 7002520000000000000 ♠ 1 year , 155 days </Td> <Td> Fifth Assembly ( 1969 -- 70 ) ( February 1969 election ) </Td> <Td> Bangla Congress ( United Front ) </Td> <Td> </Td> </Tr> <Tr> <Td> -- </Td> <Td> Vacant ( President 's rule ) </Td> <Td> 30 July 1970 </Td> <Td> 2 March 1971 </Td> <Td> 215 days </Td> <Td> Dissolved </Td> <Td> N / A </Td> <Td> </Td> </Tr> <Tr> <Td> ( 4 ) </Td> <Td> Ajoy Kumar Mukherjee Tamluk </Td> <Td> 2 April 1971 </Td> <Td> 25 June 1971 </Td> <Td> 84 days ( total : 2 years , 139 days ) </Td> <Td> Sixth Assembly ( 1971 ) ( March 1971 election ) </Td> <Td> Indian National Congress </Td> <Td> </Td> </Tr> <Tr> <Td> -- </Td> <Td> Vacant ( President 's rule ) </Td> <Td> 25 June 1971 </Td> <Td> 19 March 1972 </Td> <Td> 268 days </Td> <Td> Dissolved </Td> <Td> N / A </Td> <Td> </Td> </Tr> <Tr> <Td> 5 </Td> <Td> Siddhartha Shankar Ray Malda </Td> <Td> 20 March 1972 </Td> <Td> 30 April 1977 </Td> <Td> 7003186700000000000 ♠ 5 years , 41 days </Td> <Td> Seventh Assembly ( 1972 -- 77 ) ( March 1972 election ) </Td> <Td> Indian National Congress </Td> <Td> </Td> </Tr> <Tr> <Td> -- </Td> <Td> Vacant ( President 's rule ) </Td> <Td> 30 April 1977 </Td> <Td> 20 June 1977 </Td> <Td> 51 days </Td> <Td> Dissolved </Td> <Td> N / A </Td> <Td> </Td> </Tr> <Tr> <Td> 6 </Td> <Td> Jyoti Basu Satgacchia </Td> <Td> 21 June 1977 </Td> <Td> 23 May 1982 </Td> <Td> 7003853800000000000 ♠ 23 years , 137 days </Td> <Td> Eighth Assembly ( 1977 -- 82 ) ( June 1977 election ) </Td> <Td> Communist Party of India ( Marxist ) ( Left Front ) </Td> <Td> </Td> </Tr> <Tr> <Td> 24 May 1982 </Td> <Td> 29 March 1987 </Td> <Td> Ninth Assembly ( 1982 -- 87 ) ( May 1982 election ) </Td> </Tr> <Tr> <Td> 30 March 1987 </Td> <Td> 18 June 1991 </Td> <Td> Tenth Assembly ( 1987 -- 91 ) ( March 1987 election ) </Td> </Tr> <Tr> <Td> 19 June 1991 </Td> <Td> 15
who has held the office for chief minister for the longest time
who has held the office for chief minister for the longest time
Jyoti Basu
Jyoti Basu