Four members of a family including three women, one of whom had recently got married, died after falling into the Pambaru Dam at Marampatti in the district. They were allegedly posing for a selfie, police said on Sunday.
Prabhu jumped into the water and saved a family member. The bodies were later recovered and sent for post-mortem.
Newly married couple Prabhu and Niveditha, and their relatives - Kanitha, Sneha, Uvarani, and Santhosh - were posing for the selfie. On Saturday, when five people except Prabhu fell into the waters, the police said.
Prabhu, who was taking the picture, jumped into the water and saved Uvarani, while the rest got drowned, they said.