The surrendered members belonged to various villages in G Madugula mandal of the district and faced charges of murder, attack on an ashram last year, Director General of Police A Ravichandra said.
He said the members have also been involved in activities like pasting Maoists pamphlets, providing food and medical facilities to other Maoists and working as couriers about police movements for the rebels.
The officer said no case will be registered against the surrendered ultras and they will be rehabilitated as per the government policy.