"I appeal to all political parties to not interfere in this matter. The university can deal with these issues internally," he said.
Condemning the attack on students and teachers at Patiala House Court complex, Kumar said, "It was brought to our notice that some of the teachers were manhandled. The university condemns the alleged attack on them and is of the view that the law should be allowed to take its course."
"I have also been told that the website of the university has been hacked. We are investigating the matter," he said.
Kumar said a high-level JNU committee is investigating the February 9 incident in which anti-national slogans were allegedly raised and the eight students who were found to be involved in it have been debarred from the university after a preliminary inquiry.
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Amid criticism over the VC's contradictory statements on alleged "police crackdown" on campus, Registrar Bhupinder Zutshi said, "There has been no contradictory stand on the police permission".
Anti-India slogans were allegedly raised at an event at JNU on February 9 after which its students' union president Kanhaiya Kumar was arrested in a sedition case.