The Pune police have launched a manhunt for a 78-year-old businessman, who allegedly slit his mentally ill wife's throat at their house in Wanawadi late Thursday night and left behind a note saying he was going to end his life too. In the note, Harvindrasingh Bindra confessed to killing Devindra Kaur Bindra, 66, said the cops, adding that they believe he committed the crime around 11 pm on Thursday. The CCTV footage of the area shows the man leaving his house in Flower Valley around 12.26 am on Friday, said a cop.

The incident came to light around 9.30 am on Friday when their son, who lives in the adjacent flat, came to check on their parents. Ramendrasingh Bindra, 32, found his mother lying unconscious in a pool of blood and called the police.