The decision was taken on the basis of prima facie evidence followed by eyewitnesses' statement, a CUJ press release said here.
The 11 were found involved in student group clashes on March 9 in the campus, it said, adding that they have been asked to vacate their hostel rooms within 24 hours till further notice.
An inquiry committee has been set up to investigate the incident. It will submit its report within a week, the press release said.