Customs Intelligence and Investigation Directorate detained a man along with 3.498 kgs of gold at Hazrat Shahjalal International Airport on Friday night.
The detainee was identified as M Masud Imam.
Farhana Begum, assistant director of Customs Intelligence and Investigation circle, said a flight of Emirates Airlines landed at the airport from Dubai at about 10:45pm.
Tipped off, a team of CIID challenged Imam and seized 28 gold bars and gold coins weighing 3.498 kgs worth Tk 3.14 crore from his two money bags.