The Trinamool Congress, which had 19 seats out of 42 in the present Lok Sabha, made major gains winning 13 and was ahead in 21 other constituencies in some of which it has established a considerable lead.
For the TMC, major winners so far are former Railway Minister Dinesh Trivedi from Barrackpur. Another former Union minister Saugata Roy won from Dumdum. Both of them retained their seats.
Trinamool Congress supremo Mamata Banerjee's nephew Abhishek Banerjee won the Diamond Harbour seat. Suvendu Adhikari won from Tamluk and Sugato Bose, a Harvard professor, won from Jadavpur.
BJP's Babul Supriyo, a playback singer, won by a comfortable margin of 70,260 votes, while its vice-president S S Ahluwalia was leading from Darjeeling. The Congress, which had won six seats in 2009 in alliance with the Trinamool Congress, is ahead in four constituencies.
Prominent among them are Union ministers Adhir Chowdhury from Baharampur and A H Khan Chowdhury from Maldah Dakshin.