According to police, the victim's husband was away in Delhi on business when the accused, 35-year-old Mehraj, her brother-in-law, came to her house and threatened to kill her and her child.
He then allegedly raped her, police said.
When the victim's husband returned, she told him about the incident. On the basis of the complaint lodged by the victim a probe was initiated though no arrest has been made so far, they said.