The incident happened at Punnal cross-roads when the four-wheeler in which 11 people were travelling from Lingapur village was hit from the opposite direction by a coal-laden lorry late last night resulting in spot death of three persons while three others succumbed to injuries in a hospital, they said.
Five other occupants of the pick-up vehicle were undergoing treatment in MGM hospital here, police said.
The victims were on their way to a temple at Ainavolu.