BJP's Om Prakash Mathur and Gyan Prakash Pilani, and Congress' Dr Prabha Thakur will retire on April 9, Additional Chief Election Officer Dr Rekha Gupta said.
The notification to election process would be made on January 21 and the last date of filing nominations would be three days later, she said
The scrutiny of papers will take place on January 29, and the withdrawal of nominations would be allowed on the last day of the month, she said.