Metro employee hanged after killing his wife and daughter: Before the incident

A Delhi Metro Rail Corporation (DMRC) employee on Tuesday attacked his wife and two children with a knife. This killed the wife and daughter, while the son was seriously injured. The accused thought that his wife and both the children were dead, after which he committed suicide by hanging himself.
Before killing the family members, the accused had searched on the internet how to make a noose. The matter pertains to the Jyoti Nagar area of Police Station Shahdara, Delhi.
A senior Delhi Police officer said that the friend of accused Sushil Kumar (45 years) had informed the police at 12 noon. He told that Sushil did not come to the office today. When I called him, Sushil told me crying that he had killed everyone.
DCP (Shahdara) Rohit Meena said that after getting the information, the police reached the spot. There the police recovered three bodies. Sushil Kumar's body was hanging from the fan. At the same time, the bodies of his wife Anuradha (43) and six-year-old daughter were lying nearby. There were marks of stabbing on both bodies.
Sushil's 13-year-old son was found in critical condition nearby. There are stab wounds on his body. The child has been admitted to GTB Hospital for treatment. Police said that Sushil worked as a maintenance supervisor at DMRC's East Vinod Nagar depot. Forensic Science Laboratory teams are collecting evidence from the spot.