Members of Rapid Action Battalion detained two siblings along with 285 Yaba pills at Kashikhanda village of Gosairhat upazila on Thursday.
The detainees were identified as Asma Ahmed Rina Dhali (42) and Abdur Rashid Sabuj Dhali (40), children of late Eunus Ali Dhali of the village.
Additional Superintendent of Police Md Tajul Islam, acting company commander of Rab-8, said they conducted a drive in the village in early hours of Thursday and arrested the duo.
During the drive, 285 Yaba pills, a mobile set used for selling drugs and two SIM cards were recovered from their possession, he said, adding a case was filed against them with Gosairhat Police Station.