The man was identified as Purushottam Nagar, a resident of Doberi village under Kanwas police station area in the district, Udhyognagar ASI said.
He was living at a house in Affordable Housing colony in Kota, the ASI said, adding the preliminary investigation revealed that he was suffering from cancer and was in agony.
No suicide note was recovered from the room, he said.
The man had unsuccessfully attempted suicide a couple of times in the past.