Six Congress ministers in the West Bengal government tendered their resignations on Saturday evening after meeting Chief Minister Mamata Banerjee at state secretariat Writers' Building in Kolkata.
The ministers then headed for the Raj Bhavan to meet West Bengal Governor M.K. Narayanan to withdraw support to the state government.
Congress and Trinamool Congress (TMC) run an alliance government in West Bengal though chief minister Mamata´s party has majority to run the government without the earlier´s support.
"Our ministers will submit their resignation to Chief Minister Mamata Banerjee at 5 PM," West Bengal Pradesh Congress Committee (WBCC) president Pradip Bhattacharya had told media earlier in the day.
The Congress-led United Progressive Alliance (UPA) government was reduced to a minority formally on Friday after six TMC ministers in the government tendered their resignations, capping days of high voltage politics after Prime Minister Manmohan Singh announced his big ticket economic reforms.