Two individuals, former and present Union Parishad (UP) member, were arrested with Yaba pills in Lalmonirhat Sadar upazila on Tuesday.
They were detained from Milon bazaar area under the upazila on Tuesday night.
The detainees are former Bhelabari UP member Saiful Islam Nannu, 49, and incumbent UP member Samir Uddin, 51.
RAB-13 Senior Assistant Director (Media) Flight Lt Md Saifullah Nayem confirmed the detention in a press briefing on Wednesday morning.
In the press briefing, RAB said that they came to know that drugs were being smuggled from India to Bangladesh through Rangpur border. Being informed, they conducted a drive at Milon bazaar area and arrested Nannu and Samir with 981 pieces of Yaba pills.
A case has been filed with the police station and handed over to police custody, added the RAB.