Polling was being held for Berhampore, Krishnagar, Ranaghat, Bongaon, Barrackpore, Dum Dum, Barasat, Basirhat, Jaynagar, Mathurapur, Diamond Harbour, Jadavpur, Kolkata (South), Kolkata (North), Tamluk, Contai and Ghatal.
Altogether 188 candidates were in the fray, Prominent candidates were TMC's Sudip Bandyopadhyay in Kolkata North, Dinesh Trivedi in Barrackpore and Sougata Roy in Dum Dum, besides celebrities like Dipak Adhikari (Dev) in Ghatal and Tapas Paul in Krishnagar.
Trinamool Yuva President Abhishek Banerjee, nephew of Mamata Banerjee, was contesting from Diamond Harbour.
BJP's candidate magician P C Sorcar (Junior) was in the fray in Barasat, WBPCC President Adhir Chowdhury in Berhampore and CPI(M)'s Subhasini Ali from Barrackpore.
Also contesting was former finance minister Asim Dasgupta of the CPI-M and former union minister Tapan Sikdar of the BJP in Dum Dum.
About 18 per cent polling was recorded till 10:00 am in six constituencies in Bihar.