The students, who wanted to submit a memorandum to the top officials at the Bhawan in Chanakyapuri area demanding justice for the deceased, also alleged that they were manhandled by the police, a charge denied by it.
"We were peacefully staging a protest outside Bihar Bhawan demanding action against the killing of our comrades. When we went inside to submit a memorandum, police officials prevented us by manhandling and violently attacking," Sucheta De, National President, All India Students Association (AISA) claimed.
Naga, was also among those charged with sedition in connection with the controversial event on JNU campus in February during which anti-national slogans were allegedly raised.
"The protesters were detained under Section 144 CrPC," DCP (New Delhi) Jatin Narwal said.
Senior officials further said some confrontation between the protesters and police did take place but there was not attack or manhandling.
Two CPI(ML) Liberation activists were shot dead in Masudanpur diara under Balia police station of Begusarai district last month.