The four arrived here on Tuesday night in a train from Delhi and spend night at an inn near a mosque.
They checked out on Wednesday and were planning to cross the border when they were arrested by a BSF patrolling party near tanot outpost yesterday, they said.
Mohammad Aseen Miyan was the head of the group, who had taken Rs 15,000 from three others, who were identified as Junaid, Suhail and Janab Ali for taking them to Iran illegally for job.