Rab said they recovered 992 bottles of contraband phensedyl from Md Sabbir, 23. He is the son of Sahab Uddin of Borabar village in Rupganj upazila of Naryanganj.
Rab-3 Commanding Officer Shafi Ullah Bulbul said they raided the north side of Abdullahpur-Ashulia Highway near Sluicegate Bus Terminal after 8am acting on a tip-off.
They arrested Sabbir and recovered 992 bottles of phensedyl from him, the Rab officer said.
During preliminary interrogation, Sabbir reportedly revealed that he is an active member of a drug dealing gang, Rab said.
He said he used to smuggle drugs from India through Chapainawabganj and supplied them to Dhaka and other districts, according to Rab.