The two joint operations involving Delhi government officials, police and Bachpan Bachao Andolan officials were carried out on March 15-16 at various such illegal units and a placement agency located at the city's Devli and Tihar Gaon areas, BBA's Rakesh Senger said.
The children, aged between 10-16, hailing from Uttar Pradesh, West Bengal and Jharkhand were "forced" to work from 8 AM to till late in night were given Rs 50 to Rs 100 a week, Senger claimed.
The rescued children have been divided into two groups and sent to Mukti Ashram - BBA's short term rehabilitation centre - Don Bosco Child care home at Palam Gaon and Nirmal Chhaya, a welfare home in Hari Nagar.