According to officials, the accident occurred when the vehicle was coming from lower Haflong and fell on the road side house in Sengya Sambhudhan Razi village in last night.
A 13-year-old boy Lajit Jidung staying in the house was killed on the spot.
Meanwhile, an FIR has been lodged by the family member against the driver of the vehicle Sajen Barman, who is absconding at the moment.