The Maoists open fired at the booths in the Chhattisgarh's Bastar region on the first day of polling.
"The rebels fired at six booths in Dantewada and Narayanpur districts but no one was injured," Chhattisgarh Additional Director General of Police Girdhari Nayak told IANS.
The police retaliated with gun fire and the firing is going on.
"Our force repulsed the attack but they (Maoists) are doing a stand off attack from a nearby place. For the safety of voters we have stopped voting and are now sanitising the place. Everybody is safe as of now," Sharma said.
He also added that additional security forces are on the way.