Bypolls to three assembly seats one each in Andhra Pradesh, Uttar Pradesh and Nagaland would also be held on the same day. The assembly seats include Pulivendula, held by Jagan's mother, Vijayalaxmi, who had also resigned as MLA after her son revolted against the party and decided to float his new party.
Jagan, the son of Late Chief Minister Y S Rajasekhara Reddy, walked out of the Congress party in November last after his television channel telecast a programme projecting Prime Minister Manmohan Singh and party chief Sonia Gandhi in bad light, inviting sharp reaction from partymen.
Elections to the Bastar Lok Sabha seat in Chhattisgarh has been necessitated following the death of veteran BJP leader and sitting MP Baliram Kashyap early this month.
Bypolls to Pipraich (UP) and Aonglenden (Nagaland) would also be held.
According to poll schedule, the notification would be issued on April 11. Last date for filing nominations would be on April 18 and scrutiny the following day. Last date for withdrawal of nominations would be on April 21. Counting of votes would take place on May 13. Model Code of Conduct would come into force with immediate effect in the districts in which the assembly and Lok Sabha constituencies fall.