The decision was taken at a meeting of the disciplinary committee on Sunday
The authorities of Bangabandhu Sheikh Mujibur Rahman Science and Technology University expelled five students for attacking their fellows who staged demonstration demanding removal of the vice-chancellor of the university on September 21.
The expelled students are Rafizul Islam, Nuruddin Nahid, Ariful Islam Shakib, Mazharul Islam Mishan and Rahat Al Ahsan. All of them are students of Management Department of the university.
The decision was taken at a meeting of the disciplinary committee on Sunday, said Registrar of the university Prof Md Nuruddin Ahmed.
The authorities also suspended another student for two semesters in this connection, he added.
Besides, seven other students were suspended for two semesters each for their involvement in cheating during the admission test of the university on November 9.
On September 21, about 20 students were injured in several attacks, carried out by some students, on their way to the campus to attend a demonstration, demanding resignation of the university's VC Professor Khondokar Nasiruddin as the students alleged that the VC was involved in corruption in recruitment of teachers and employees.
Later, the VC resigned from his post amid students' protest.
The demonstrating students alleged that they came under the attacks by the supporters of the VC.