Another student was also suspended from the hostel for one year, BESU vice-chancellor Ajay Ray told a press conference here.
All the students were of the Mettalurgical Department.
The decision was taken after the recommendations of a committee headed by Prof Aditya Banerjee, set up to probe a charge of ragging, he said.
A first year student of the Metallurgical department was ragged by some second year students on August 22 last.