Three factories were sealed during the raids, they said.
"Eight boys were freed from bindi-making units in Nandnagar locality of Shahdara area of North-East Delhi while the rest, including the girl, were found in nail polish-making and utensil-polishing units in Samaypur Badli Industrial Estate in North-West," a statement released by BBA said.
The children, aged between 10 and 16, had been trafficked to the capital from various districts of Bihar and Uttar Pradesh and even Nepal.
The children were sent to Mukti Ashram, a BBA-run rehabilitation centre, on orders of the Child Welfare Committees of the respective districts from where they were freed.
