The ultras dragged one Venkatesh Atram, on suspicion of being a police informer, from his house in Rajaram Khandla village and murdered him, a release from Gadchiroli police said.
Atram was a civilian and not a police informer, it said.
A case under relevant sections of IPC was registered and anti-Naxals operations have been intensified in the area, the release added.