Lok Sabha polls in 14 constituencies and by-polls for two state assembly seats began in Uttar Pradesh Wednesday, officials said.
The candidates to look out for include Congress president Sonia Gandhi from Rae Bareli and Bharatiya Janata Party president Rajnath Singh from Lucknow.
The other prominent contenders include BJP leader Murli Manohar Joshi from Kanpur against former union minister Sriprakash Jaiswal of the Congress.
Over 24.6 million voters are eligible to vote at 25,380 polling booths.
As many as 233 candidates are in the fray for the Lok Sabha polls.
