The Left Front (
Bengali: বামফ্রন্ট, transliterated bamfront) is an alliance of political parties in the Indian state of
West Bengal. It was formed in January 1977, the founding parties being the
Communist Party of India (Marxist),
All India Forward Bloc, the
Revolutionary Socialist Party, the
Marxist Forward Bloc, the
Revolutionary Communist Party of India and the
Biplabi Bangla Congress. Other parties joined in later years, most notably the
Communist Party of India.
The Left Front ruled the state for seven consecutive terms 1977–2011, five with
Jyoti Basu as Chief Minister and two under
 The CPI(M) is the dominant force in the alliance.
 In the
2011 West Bengal Legislative Assembly election the Left Front failed to gain a majority of seats and left office. As of 2016
Biman Bose is the Chairman of the West Bengal Left Front Committee.