Marxist Forward Bloc

At its foundation, Satyapriya Banerjee was the party's general secretary and Amar Bose its chairman.

Its leader Ram Chatterjee was a minister in the West Bengal Left Front government for several years.

Later the MFB was led by Pratim Chatterjee, who served in the West Bengal government as Minister of Fire Services in the Left Front cabinet.

Chatterjee represented the Tarakeswar seat from 1996 in the West Bengal Legislative Assembly till 2011, when he lost to Rachhpal Singh of the TMC.

In the 2006 West Bengal Legislative Assembly election, the party retained both seats as Pratim Chatterjee and Samar Hazra won with good margins.