"We have arrested four persons, including one middle man, who were found engaged in taking the poor people by luring them with good food and handsome wage," said Dinabandhu Behera, inspector-in-charge of Motu Police Station.
According to Behera, police swung into action following a tip-off from the Child Welfare Committee, Malkangiri. Of the 21 children, 16 were girls. The children were between the age of nine years to 16 years, he said.
"We caught them while the 49 persons were being ferried in river Saberi," Behera said, adding that Satipali Narasimha Rao, the middleman was among the four persons arrested in the incident.
Malkangiri District Collector D Prasant Kumar Reddy said he would ensure that the adult labourers rescued by the police would be provided with job cards.