The two girls, who were cousins and aged 14 and 15, went missing from their house on the night of May 27 and their bodies were found hanging from a tree in the village in Ushait area the next morning.
The incident had triggered protests in the area with villagers alleging police apathy, following which an FIR was registered against seven persons.
The postmortem report of the two girls confirmed they were raped before murder.