Police said around 40 students have been detained to prevent any further escalation and the situation in "under control now".
The clash broke out when a group of students and teachers tried to take out a march demanding action against ABVP for alleged vandalism and also disruption of a seminar yesterday.
Akhil Bhartiya Vidyarthi Parishad had yesterday locked down the college's seminar room and pelted stones in protest against the invitation to the JNU students who were to address a seminar calling them "anti-nationals".
The ABVP members, however, did not allow the march to proceed and allegedly locked the students and teachers inside Ramjas college while AISA members tried to barge inside the premises to "rescue the captives".
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Abha Dev, member of DU Teachers' Association, claimed that besides "several students", three teachers of different DU colleges-- Prasanta Chakraborty (English), Suvrita (History) and Mousumi Bose (Philosphy)-- were injured in the clashes and taken to Hindu Rao hospital.
"Not only the ABVP completely disrupted the seminar, they are also abusing, beating women and even journalists. Why can't the police see such hooliganism? There is plenty police presence on campus but nobody from ABVP has been detained yet," alleged Shehla Rashid, who was formerly JNU Students' Union vice president.
A senior police official, however, told PTI, "Around 40-50 students have been detained to prevent further escalation. They will be released after sometimes. The situation is under control."
Shehla also alleged that "police joined the ABVP goons in attacking me".
The two JNU students were invited to take part in a session during a two-day seminar on 'Culture of Protest' organised by Wordcraft, Ramjas college's Literary Society.
College Principal Rajender Prasad said he is in discussion with the teachers who were organisers of the event and requested both the groups to not disrupt the peace and harmony in the college.
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An AISA member alleged, "The students were locked inside and those trying to come out were beaten up by ABVP goons."
"We tried to barge into the college to rescue the students but they are attacking us as well. They came prepared with hockey sticks. It is after four hours that the students were let out after police intervention but no action taken against ABVP," he said.