Because of recent policy changes, the university administration shifted disciplinary action to the student committee.
A student disciplinary committee has began a separate investigation of the incident.
The student committees are also an important part of campus life.
The motion also called for the creation of a student committee to study the issue.
"No recommendation of the student committee has ever been overridden," he said.
He offered his resignation as a teacher, which was accepted by the student committee, and devoted himself to music full time.
Two years later, another student committee replaced the blue stone with a synthetic ruby.
But student committees have said this is not enough.
The student committee has become a real school of leaders that helps the youth prepare for the future adult life.
He was also the leader of the student committee against discrimination in housing.