Based on a complaint of his son, a case has been registered. "We are investigating," the spokesman said.
The incident took place around 5.45 a.m. in Sector 30, Faridabad. His wife heard the gunshot and ran to the room.
"With profound grief we inform you that DCP NIT Vikram Kapoor on Wednesday morning committed suicide at his residence. We are investigating the reasons behind his suicide," the Faridabad Police said in a statement.
Kapoor is survived by his wife and two sons. He was promoted to the Indian Police Service (IPS) from the Haryana Police Service in 2017.