Himanshu Katara was found hanging from the ceiling in his hostel room in AIIMS campus at around 11:30 am by his two friends.
According to an AIIMS statement, two of Katara's friends peeped through the window of his room only to see the student hanging from ceiling.
"They informed other students and hostel warden who rushed to the spot. Police was also informed," a senior police official said.
"The student was found hanging and the body was cold with no sign of life. The warden immediately informed his mother and sister about the incident," the AIIMS statement said.
He was rushed to AIIMS casualty where he was declared brought dead.
"Katara was known to be a good student and his colleagues always found him friendly, cheerful and very social. He was always active and took part in various cultural and extra- curricular activities," the statement said.
Police are probing the incident.