In his purported suicide note, which carried no name, the man mentioned that he was experiencing "extreme pain" in his head, they said.
The police were informed about the incident around 7 pm.
During inquiry, it was found that he had jumped off the seventh floor of the gynecology and childcare department, the police said.
The police found a bag on the floor he had jumped off with the suicide note.
In the note, he had written that he was suffering from some ailment in which he experiences extreme pain in his head, they said.
The police said in a CCTV footage the man was seen walking alone with the bag on his shoulder but he has not been identified yet.