Police said they did not prevent Kanhaiya from entering the varsity campus.
"It was the HCU security personnel who stopped him (Kanhaiya) on the Vice Chancellor's directions," a senior Cyberabad Police official said.
The official also said Kanhaiya himself stopped in front of the university's entrance, addressed the media and left.
Kanhaiya, along with Rohith Vemula's mother Radhika and his brother Raja, reached the HCU this evening where he was greeted with slogans for and against him.
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He said he wants to tell police and HCU administration that they cannot suppress their voice and "we (students) will seek justice, and continue this struggle for social justice."
"I have come here to express solidarity with those injured in yesterday's lathicharge," he added.
The University in-charge Registrar earlier this morning issued notification banning entry to outsiders including political parties, media and other social and student groups into the campus.
He reiterated that they would fight until the government implements "Rohith Act".
A section of students belonging to ABVP said they would prevent Kanhaiya from entering into the university.
Meanwhile, police kept strict vigil at the main gate preventing non-students from gaining entry into the HCU. They allowed students only after verification of their credentials.