A doctor allegedly killed his wife and two children and later committed suicide at his flat in Sector 49 Uppal Southend here, police said Monday.
According to the police, the incident took place on Sunday night. The locals reported the matter to police on Monday when they did not spot the family outside since morning.
The police found all the four family members lying dead on the floor.
Prima facie, it appears Prakash Singh (55) killed his wife Sonu Singh (50), daughter Aditi (22) and son Aditya (13) with a sharp weapon while they were sleeping, they said.
Prakash later hanged himself from the ceiling fan, police said.
Prakash, a PhD degree holder, worked with a