The three, also tribals, were arrested yesterday on charge of gangraping the girl at Garakumpa village on June 12 night.
The girl, a student of class X, was returning home after attending a marriage feast in the locality on June 12 night with her younger brother when the accused appeared at an isolated place, police said.
The three allegedly dragged her to the road side and raped her one after another near a bush as the little boy was crying. The trio then fled leaving the girl unconscious.
The accused, who were arrested yesterday after preliminary investigation, have been identified as Pravat Kanhar, Rajib Lochan Kanhar and Chitta Ranjan Kanhar, police added.
