The doctor was pursuing his post-graduation in AIIMS' medicine department and was staying in junior resident hostel in Masjid Moth area near the hospital, they said.
"We received the information about the incident around 11 a.m. today (Thursday) that a junior resident doctor who was also pursuing his post-graduation in medicine has been found dead," a senior official told IANS on condition of anonymity.
"To know the exact cause of his death his body has been sent to the forensic department for post-mortem," he said.
He did not identify the deceased by name nor give any other information on the subject pending the post mortem examination.
Earlier in 2014, a 20-year-old nursing student at AIIMS here, depressed over her relations with her hostel superintendent and other members of the staff, committed suicide by hanging herself from the ceiling fan of her room.