40-year-old Muthuraju, a resident of the refugee camp in Kootoor near Pollachi, in his complaint with police claimed the four persons, belonging to Chennai, had taken Rs 3.7 lakh from him, promising to get a job in Australia with a work permit visa a year ago.
However, they failed to get him a job and their whereabouts was not known, prompting him to lodge the complaint.
Based on complaint, police arrested the four persons from Chennai and brought them to Pollachi.
They were produced in a court in Pollachi which remanded them to judicial custody last evening, police said.