In the 294-member state assembly, the ruling CPM and its allies are likely to win only 65-70 seats, whereas Trinamool Congress-led alliance will get 215-220 assembly seats. According to the latest result updates, Trinamool Congress has won 40 seats and its alliance partner Congress has won six.

Many of the ministers in Bengal chief minister Buddhadeb Bhattacharjee's ministry are either trailing or have lost in the state assembly election. Buddhadeb Bhattacharjee is himself trailing from Jadavpur constituency; Finance & Excise minister Asim Dasgupta is trailing from Khardaha; Housing & Public Health Engineering minister Gautam Deb from Dum Dum, PWD minister Kshiti Goswami from Alipurduars, and Urban Development & Municipal Affairs minister Ashok Bhattacharya have lost from Siliguri.

Union railway minister and next to be the state CM, Mamata Banerjee described her party's victory as a historic verdict and also said that Bengal has got new freedom after 34 years. She also assured her supporters for delivering good governance.

In the 2006 West Bengal assembly polls, Mamata Banerjee’s Trinamool Congress fought in alliance with BJP won 29 out of 294 seats. In the 2004 Lok Sabha elections, Mamata Banerjee won just her own seat.