Almost all of the party's gains have come at the expense of the Left parties, which led in just three seats. The Congress was ahead in three.
The BJP, which appeared headed to form the national government in New Delhi, was ahead in three seats in West Bengal, its best ever performance in a state where it has always been a fringe player.
Witnessing a three-cornered contest in most seats (Trinamool, Left and the BJP), the campaign in West Bengal has been rather colourful with Bollywood singers, Bengal film stars and sports personalities in the fray.
BJP's SS Ahluwalia was ahead of former India football captain Bhaichung Bhutia of the Trinamool in the Darjeeling seat. BJP's candidate for the Asansol seat, Bollywood singer Babul Supriyo, was leading against Trinamool's Dola Sen.