The SDMA said the ill-fated private boat was carrying 73 passengers, including eight crew.
Emotions ran high as the villagers demanded that the plant be shut down immediately as it completely ruined their lives.
Party leaders and workers who were on their way to Naidu's residence were stopped by police and taken into preventive custody.
Andhra Pradesh Chief Minister Y S Jagan Mohan Reddy announced an ex gratia payment of Rs 1 crore each to the kin of those killed in the incident.
the money involved is more than Rs 2,000 crore across Andhra Pradesh