Customs Intelligence and Investigation Directorate (CIID) detained a man along with 3.498kgs of gold from Hazrat Shahjalal International Airport last night.
The detainee was identified as M Masud Imam.
Farhana Begum, assistant director of Customs Intelligence and Investigation Directorate, said a flight of Emirates Airlines landed at the airport from Dubai around 10:46pm.
Tipped off, a team of CIID challenged Imam and seized 28 gold bars and gold coins worth Tk 3.14 crore from his two money bags.