A 35-year-old doctor Sunday allegedly killed his wife,her parents and their five-month-old daughter before committing suicide at his house in Indore,the police said.
Dr Rohit Dwivedi killed his wife,Dr Priyanka (30),her father G P Pandey (62),and her mother Gayatri (55),ASP Ramji Shrivastava said.
Later,he strangulated his infant daughter Sushi and then hanged himself to death,Shrivastava said.
The police recovered a blood-stained surgical knife from the flat.
A 15-page letter was also recovered from the spot,in which Rohit mentions his strained relations with his wife,who hailed from Bihar,the ASP said. In the letter,Rohit also apologises to his parents. He also left a few signed cheques in his fathers favour along with the latters mobile number. Further probe is on into the case,the top police official added.