The child was rushed to a hospital by the villagers. He is out of danger.
Later, the 26-year-old victim was also dropped from the car in Chapar area on the highway in the district, said SP (city) Ombir Singh on Tuesday.
A case has been registered against the absconding accused, and the woman has been sent for medical examination, he said.
According to a complaint lodged by the victim, she was called by one of the accused R K Mehata on the pretext of giving her a job. She was raped by Mehata and his friend after giving her some alcoholic drink laced with sedatives.
She lodged the complaint after getting consciousness, the SP said.