Aman was found dead together with his head smashed in at Pardi area of Maharashtra's Nagpur city, police said on Friday.
The body of an unidentified man in his 20s was found by locals within the area on Thursday morning, following which the police were alerted, deputy commissioner of police (zone 5) Neelotpal said.
According to preliminary investigations, the man's head was smashed in with a stone and a number of other injury marks were also found on his genitalia , he said.
Empty liquor bottles were also found near the victim's body, which has been sent for post-mortem to determine the explanation for death and therefore the possibility of sexual abuse , he added.
A case under section 302 (murder) of the Indian legal code has been registered against unidentified accused and further probe is underway, the senior official said.