The body of Suresh Chandra Geejawara, a trader and resident of Hatwara Road area on city outskirts, was found lying in a pool of blood during the wee hours, they said.
Police have found half-filled liquor bottle from the hotel room in which Geejawara was staying, investigating officer (IO) Chiranjilal Verma told PTI.
Verma said the family members of the deceased have informed police that he had told them that he was going to Ajmer and had no information about him staying at the hotel.
The body has been sent for post mortem and police have taken CCTV camera footage from the hotel to probe the matter, he added.