The bridegroom and five others were arrested for arranging child marriage at Durakuti village in Sadar upazila in the early hours yesterday.
The 15-year-old girl was happy as she was saved from the curse of child marriage.
The arrestees were produced before the Judicial Magistrate's Court that sent them to jail, said Sadar Police Station Officer-in-Charge (OC) Mahfuz Alam.
The arrestees include bridegroom Anwar Hossain, 26, son of Nur Jamal.
Marriage registrar Omar Farooque, 50, of Durakuti village, went into hiding after the incident.