Filing of nominations for the fourth phase of polling in Uttar Pradesh began on Monday with the issuance of notification for the February 23 election.
The last date for filing the nominations is February 6 while February 9 is the last date for withdrawal.
A total of 12 districts, including Congress president Sonia Gandhi's Rae Bareli constituency, will be covered in the fourth phase of the crucial state election.
Pratapgarh, Kaushambi, Allahabad, Jalaun, Jhansi, Lalitpur, Mahoba, Banda, Hamirpur, Chitrakoot and Fatehpur are the other districts going to polls in the fourth phase.
Polling will be held in seven phases in the state on February 11, 15, 19, 23, 27 and March 4 and 8.