Question: who was the chief minister of west bengal

title: List of Chief Ministers of West Bengal
text: Since 1947 , there have been eight Chief Ministers of West Bengal . The first was Prafulla Chandra Ghosh of the Indian National Congress , who was succeeded by his party - mates Dr Bidhan Chandra Roy and Prafulla Chandra Sen. A decade of instability followed , marred by fractious coalition governments and frequent impositions of President 's rule . The instability ended with 1977 election victory of the Communist Party of India ( Marxist ) ( CPM ) . Headed by Jyoti Basu , the CPM - led Left Front government was in office for over 23 years ( 1977 -- 2000 ) , making Basu India 's longest - serving chief minister ever . Left rule in West Bengal continued for another 10 years under Buddhadeb Bhattacharya , before its defeat in the 2011 election by the Trinamool Congress . Appointed on 20 May 2011 , Trinamool leader Mamata Banerjee is the current incumbent , the state 's first woman chief minister . 

Answer: answer: Since 1947 , there have been eight Chief Ministers of West Bengal, including Prafulla Chandra Ghosh, Dr Bidhan Chandra Roy, Prafulla Chandra Sen, Jyoti Basu, Buddhadeb Bhattacharya and Mamata Banerjee.