The accused, identified as Ajay Singh, is pursuing PhD in European Studies in Jawaharlal Nehru University.
The complainant alleged that she has known Ajay since 2008. She met Ajay through one of her common friends when she was preparing for competitive exams.
Ajay and the woman had met at a friend's place in Nand Nagri in 2010 when they got into a relationship, she told police, claiming that he had later promised to marry her, but was dilly-dallying. The accused recently broke up with the woman, police said.
Read More: PhD student alleges rape by JNU student
She alleged that he used to call her to his room in Brahmaputra Hostel in JNU where he raped her many times. The girl later realised that Ajay had been allegedly cheating on her, after which she approached the police.
A case was subsequently registered at Vasant Kunj (North) police station, leading to his arrest.