Three members of a family were found dead at their home at Chenad near Chethalayam in the district on Saturday morning.
The police identified the deceased as Shaju, 54, of Adivaram Puthanpuraykkal, his wife Bindu, 46, and son Basil, 26.
It was suspected that Shaju ended his life by consuming poison after hacking his wife and son to death, the police said. An investigation is on.
