Two Bangladeshi teenagers girl, and a boy, returned home through Benapole check post on Thursday night after serving one year jail in India.
Indian police handed them over to Benapole immigration police at night.
The returnees were identified as Ayub Sheikh 17, son of Akram Sheikh of Babupur village, Lina Khatun 18, daughter of Elias Sheikh of Purulia village in Kaliya upazila of Narail district and Shefali Khatun, 17, daughter of Aziz Mollah of Sirajganj village in Jessore district.
Abul Bashar, officer in-charge of Benapole check post immigration police, said a team of Indian police had arrested the trio from Gujrat for going there illegally.
A gang of human traffickers took them to India through Jessore border promising to arrange lucrative jobs, he said.
They were sent to a Gujrat court which jailed them for one year.
Later, on completion of the jail term, they were kept at a shelter home there.
The Indian authorities returned them following repeated requests by the Bangladesh home ministry.
A special Indian team on Thursday night brought them to Bangladesh, sources here said.
Indian immigration police later handed them over to Benapole immigration police at about 9:30pm.