In a suspected case of family suicide, decomposed bodies of a couple in their 60s and their two sons were found at their home in Bavdhan area of western Pune, police said on Thursday.
The deceased have been identified as AT Narayanan, 65, his wife Indira, 60, and sons Vishnuvardhan, 35, and Madhusdan, 28, all residing at Bavdhan.
Narayanan's neighbours had informed the police about a foul smell emanating from the flat.
"Only medical reports will be able to ascertain the exact cause of their deaths. We have sent the bodies for post-mortem examination," the police officer added.
