The victim Manoj Mandal (25) was shot dead while he was asleep in his home in his native village Khawaspur under Pirpainty police station, Kahalgaon Sub-Divisional Police Officer (SDPO) Ramanand Kumar Kaushal said.
An unnamed FIR has been lodged with Pirpainty police station in this regard, the SDPO said adding that motive behind the killing is yet to be ascertained.
Police have started investigation into the matter, he added.
Mandal was found shot dead in his room by the family members when they became anxious after he did not wake up in the morning. They knocked the door but he did not wake up after which the door was broken and he was found dead.