The missing child Payal, was rescued last night from an auto-rickshaw driver's house at Lingipur village in Lingaraj police limits, Commissioner of Police R P Sharma said.
The police have detained the auto-rickshaw driver for interrogation.
The girl said she was picked up by an auto-rickshaw driver from outside the zoo and he took her with him. After a few days, he had handed over Payal to another auto-rickshaw driver. She was allegedly beaten at the latter's house and forced to do household chores, he said.
The girl's families had lodged a complaint with the Nandankanan police station.