The juveniles, housed in a home of the Malipukhur social welfare society at Panchla, today managed to escape after breaking the wall of the kitchen, the police said.
However, one of them was nabbed from a nearby area adjacent to national highway six.
The house, with a capacity of 150, houses 130 juveniles and the Howrah district administration have ordered a probe under the district social welfare officer.
The police is in search of the missing boys.