Three persons were electrocuted while installing a loud speaker at a temple in Andanalapadu village in Dornakal mandal on Tuesday.
The victims were identified as Subba Rao, 57, Mastan Rao, 56 and Venkaiah, 54, all residents of Andanalapadu.
Subba Rao suffered electric shock after coming in contact with an overhead electric wire while fixing a loud speaker on a tree abutting the Ramalayam in the village around noon on Tuesday.