While CPI(M), which contested in 55 seats, secured win in 49 seats, coalition partner CPI won one seat of the two it had contested. However, RSP which fought in two seats and Forward Bloc in one, failed to open their accounts.
The Left Front also increased its tally from 49 seats in 2008 and 42 seats in 2003, paving the way for the seventh Left Front government since 1978 in the Northeast state.
All ministers of the outgoing ministry except Science and Technology Minister Joy Gobinda Debroy of RSP were re-elected.
Chief Minister Manik Sarkar won from the Dhanpur constituency where he defeated his nearest rival -- Congress' Shah Alam -- by 6,017 votes. Sarkar had won by 4,000 votes in the last Assembly elections.
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Finance Minister Badal Chowdhury made electoral history by defeating his nearest rival, a Congress candidate, by 12,429 votes in the Hrishyamukh constituency.
Among Congress winners were Leader of the Opposition Ratan Lal Nath (Mohanpur constituency) and TPCC President Sudip Roy Burman (Agartala).
INPT president Bijoy Hrankhawl (Ambassa) and former TPCC president Surajit Dutta (Ramnagar) were among prominent candidates who lost in electoral battle.
CPI(M) State Party Secretary Bijan Dhar said, "It is a victory of the people of the state, and a victory of peace and development and good governance of the sixth Left Front government."
Leader of the Opposition Ratan Lal Nath said, "We accept defeat and will review the causes for it.