Priyankar Biswas was arrested from the campus after 94 gm heroin was found in his hostel room

Priyankar Biswas was arrested from the campus after 94 gm heroin was found in his hostel room, police said. However, a senior IIT official said he was arrested outside the campus. IIT rules provide for suspension of any student who spends 24 hours in custody. Priyankar will be expelled if a disciplinary panel finds him guilty.