Polling began in 18 of Uttar Pradesh's 80 Lok Sabha polls in the fourth phase of general elections Thursday morning.
Polling began at 7 am at each of the 29,312 polling stations across 20 districts of the state.
Prominent among the 314 candidates in the fray are three former chief ministers - Mulayam Singh Yadav, Kalyan Singh and Raj Nath Singh.
As many as 25.6 million voters have the right to exercise their franchise to decide the fate of the candidates.
In all, 29,649 electronic voting machines (EVMs) are being used for the polling Thursday.
While 48 seats have gone to the polls in the first three phase of polls, voting will be held in 14 in the last phase May 13.