Independent candidate Dharmchand Jain filed nomination from Kota (South) whereas Congress candidate Bhajanlal and CPI candidate Ramchandra Kulhari filed nominations from Weir and Surajgarh constituencies respectively, Chief Election Officer Govind Sharma said.
The bypolls to Nasirabad, Weir, Kota (South) and Surajgarh assembly constituencies are slated for September 13.
The last date of filing nominations is August 27 and the scrutiny will take place the next day.
The last date of withdrawals is August 30.