The victim, resident of Shahdara in Delhi, has alleged that her sister-in-law's husband took her to Old Faridabad once and raped her, they said.
The woman has alleged that her husband forced her to sleep with their brother-in-law several times following which she became pregnant, police said.
The victim said that her sister-in-law was unable to bear kids and the accused would physically and mentally harass her because of that. However, her husband did not pay attention to her when she told him about it, police said.