The assailants stabbed to death and slit the neck of the victim, identified as Kunal Kumar (22), at the latter's rented room before throwing his body down from the three-storied house, the Acting SP, S K Yadav, said.
A native of Neema Chandpura village of Bengusarai district, Kumar was a student of a private ITI institute, he said, adding that the body has been sent for post-mortem.
