Police produced Galib, Secretary of Jamiatul Mujahideen Nurul Islam, Organising Secretary Abdus Salam Salafi and librarian of Atrai Agrani Degree College ASM Azizullah before the Court of First Magistrate, seeking a 10-day remand.

After hearing the case, the court granted three days' remand for the accused.

Investigating Officer (IO) ASP Abdus Sobhan of Shahajadpur Circle will interrogate them during the remand.

Galib was brought to Sirajganj from Gaibandha district jail, while three others from Naogaon jail.

Three bombs were exploded at the Ullapara branch of Grameen Bank on February 16 this year, injuring four people and damaging important documents of the bank.