They began an indefinite fast at the main entrance to the campus.
Addressing the students, CPI (M) MLA from neighbouring Chidambaram constituency in Tamil Nadu, K Balakrishnan, said their demands were genuine and should be conceded.
The students are agitating since July 27 demanding removal of Vice-Chancellor Chandra Krishnamoorthy for alleged 'administrative chaos' and 'violation of human rights'.
They are also demanding improvement in hostel facilities and other amenities.
Yesterday, Lt Governor A K Singh took stock of the situation and appealed to all concerned to "refrain from any type of agitations and violence and restore normalcy in the University."
It has decided to depute a committee of officials to hear the stakeholders, study the existing situation and make appropriate report to the Central government.