Acting on a tip-off, raids were conducted today at a slum area in Bhatta Basti and at a house in Kotwali area where 30 children were found working as labourers, they said.
"16 children were engaged in bangle making work in a workshop in Kotwali area. Three men identified as Bablu Aalam, Mohammad Mehboob and Mohammad Hussain were arrested from there," police said.
In Bhatta Basti 14 minors were rescued from two places, they said, adding the children were working in bangle making and embroidery units.
The rescued children hail from Bihar, West Bengal and nearby areas and have been handed over to the child welfare committee, they added.