The institute had been "converted into a shelter of fundamentalists, Left extremists, terrorists and casteist forces in the recent past", RSS Akhila Bharateeya Saha Prachar Pramukh J Nandakumar said in a release here.
He said "mere utterances in the name of freedom of expression compromising the responsibility to the country was a meaningless act".
"Staging a farce in the name of agitation by those people who are being indoctrinated and controlled from outside the country cannot be allowed," he said.
Stating that the country had always given importance to freedom of expression and artistic expression, Nandakumar said "patriotic citizens of the country could never allow anyone to surrender the unity and sovereignty of the country."
He said there was no doubt that Jawaharlal Nehru University was a prestigious institution.
"But it had been converted into a shelter of fundamentalists, Left extremists, terrorists and casteist forces in the recent past," he said and urged the people to cut across party, caste and religious lines to "stand united against such forces.