For the 18 Assembly seats, 412 candidates filed their nominations while for the Nellore Lok Sabha seat 19 nominations were filed, Chief Electoral Officer Bhanwar Lal said.
Today alone, 212 nominations were filed for all the seats. The highest number of 45 nominations were filed for the Tirupati seat and the lowest 10 for Narsannapeta seat.
Scrutiny of the nominations will take place tomorrow and the last date for withdrawal is May 28.
The CEO said Rs 22 crore of unaccounted cash has been seized so far in the 12 districts where the bye-elections will be held.