The arrestee was identified as Abdul Alim Biswash, son of Tojir Uddin and jail guard of Meherpur jail.
Officer-in-Charge of Detective Branch Julfikar Ali said acting on a tip off they conducted a drive in the house of Alim in Khandakarpara area and arrested him with the yaba pills.
Previously, Alim remained suspended for seven months for negligence in duty while he was posted at Narail, OC said.
Legal action will be taken against the accused, he said.
Also read: Cop held with yaba in Chattogram