"The woman was confined with other five to six girls in a house near Katraj here and was subjected to physical torture," said Vijaysingh Gaikwad, police inspector, Bharti Vidyapeeth police station.
She was allegedly brought here by her stepmother a few days back and was sold to a suspected pimp, identified only as Sohail, for Rs 20,000, he said.
On June 29, she managed to escape from captivity and started looking for a "bus to Bangladesh" when she was spotted by some alert people.
The woman is currently with an NGO here.
Police today booked her stepmother and the pimp under relevant sections of Indian Penal Code and Prevention of Immoral Trafficking Act.