Three of these fishermen were seriously injured after the incident occurred at Dummulapeta area of East Godavari district last night, the police said.
The three fishermen had to be rushed to the Kakinada government hospital, while the other eight received minor injuries in the attack, the police said.
The eleven Lankan fishermen were arrested by the Indian Coast Guard and handed over them to Kakinada Marine Police. The arrested fishermen were kept in a house in Dummulapeta area with two constables on guard, the police said.
Meanwhile, another batch of 14 Sri Lankan fishermen who were arrested recently in Kakinada by the India Coast Guard have been shifted to Hyderabad.