The whole elections were spread over 35 days.
Of the 41 seats, heartland Uttar Pradesh will witness polling in 18 seats.
Of these, ruling Samajwadi Party has six seats, followed by BSP 5, BJP 4 and Congress 3. West Bengal has 17 seats in which polling will be held. Of these, the ruling Trinamool Congress has 14 seats, while Congress, CPI and Independent have one each.
In neighbouring Bihar, six seats are up for grabs. Of them, BJP and JD(U) have two each, while RJD and Independent have one each.
Prominent among those in the fray in tomorrow's polling are Union Minister Adhir Ranjan Chaudhary (Behrampur- West Bengal), BJP leader Jagdambika Pal (Domariyaganj), Union Minister R P N Singh (Kushi Nagar- both UP) and former minister and RJD leader Raghuvanh Prasad Singh (Vaishali-Bihar).