Customs officials arrested a man along with 12 gold bars, weighing around 1.4kg, at Shah Amanat International Airport in Chattogram on Friday.
The arrestee is identified as Muhammad Mizan Uddin, resident of Fatikchari upazila of Chattogram.
Acting on a tip-off, a team of Customs Intelligence and National Security Intelligence (NSI) conducted a joint drive and arrested Mizan with the gold bars, he said.
The estimated market price of the seized gold is around Tk90 lakh.
A process is underway to file a criminal case against the detainee with the Patenga police station, he added.