The complainant alleged the accused "dragged and slapped" her when she was going to meet a professor of the Faculty of Social Sciences, BHU PRO Rajesh Singh said.
The woman informed the chief proctor of the incident and filed a complaint at the Lanka police station under relevant IPC sections.
The BHU administration handed over the accused to police, station officer Sanjiv Mishra said.
The varsity authorities have been facing a cascade of criticism over allegations of eve-teasing on the campus.
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