The deceased, Sarfaraj and Bhura (15) were passing through a forest area in a bullock cart yesterday when they were attacked by a gang of robbers, they said.
When the two boys refused to give their belongings, the robbers attacked them with knives. Sarfaraj died on the spot while Bhura, who suffered injuries, was later admitted to a nearby hospital.
Police have arrested one of the accused from Alipur village in the district and search for others is in progress, a police official said.