The victim, identified as Podiyami Kanna, was killed with sharp-edged weapons by rebels at Errabor weekly market under Errabor police station limits, Sukma Additional Superintendent of Police Santosh Singh told PTI.
A group of four ultras attacked Kanna, a resident of Errabor, while he was purchasing items from the market, killing him on the spot.
Soon after getting the news of the incident, a police team was reached the spot and the body was sent for autopsy, he said.
A combing operation was launched in the region to nab the assailants, the ASP said.