A corporal of the Indian Air Force shot himself dead with his service rifle at the Bawana Air Force Station on Saturday, the police said.
The corporal used his INSAS rifle, which was issued to him for performing sentry duty, according to the police.
The crime investigation team was called on the spot for further probe and the body of the corporal is being preserved at the BJRM hospital for the postmortem, police said.
The investigation by the crime team is underway to find out the exact reason for the suicide.