Police acted on a tip-off that a gang was operating in the city which used to bring girls on "contract" from metros like Delhi and Mumbai to Jaipur and hold them as hostages in Hotel Raj Inn located in Kardhani area.
The girls were locked up in the hotel rooms, beaten up badly before being forced to sleep with clients, police said .
Police raided the hotel and arrested four people, including its owner and manager. The hotel has been sealed.
Police said seven girls had been brought by the sex racket mastermind from as many as three states.