The proctorial body of the university took the decision at a meeting on Monday, said Mahbubul Haque, public relations officer of the university.
Those who are expelled are Shipon Ahmed, Shahin Mia, Nadim Islam, Hridoy Kumar Dhar, Turzo Hawladar and Ashiquzzaman Limon. All of them are the 2nd year students of Electronics and Telecommunication Engineering department of the university.
It was also decided at the meeting that a case under the Digital Security Act will be filed against them.
BSMRSTU Proctor Ashiquzzaman Bhuiyan said the accused students tortured two 1st year students of the Agriculture department physically and mentally on February 2 which was proved during investigation.
The video footage of the ragging went viral on social networking site Facebook which drew huge criticism.