Acting on a tip-off, the police informed the Railway Protection Force (RPF) of Rangiya station who detained the boys and the girl.
RPF also arrested the man, Kamal Daimary, who was allegedly taking them to Bengaluru enroute to Goa, Rangiya SDPO Tankeswar Gogoi said here.
Daimary and the group were waiting at Rangiya railway station to board the Guwahati-Bengalore Express.
Daimary was involved in taking youths from the state for employment in other parts of the country for the last 10 years, Gogoi said.
The youths mostly hailed from the tea garden areas of Sonitpur, Udalguri, Mazbat, Dhekiajuli and Behali areas.