A youth fled after leaving 13 gold bars at Chowgacha frontier of Lakshmipur village in Jashore on Friday evening.
Acting on a tip-off, BGB conducted a raid in the area. Later, BGB chased the youth when he was seen roaming on the bank of Kopothakho River around 6:30pm.
BGB members later recovered the gold bars weighing 1.515 kilogram.
Lt. Colonel Ahmed Hasan Jamil, the captain of the Jashore 49 BGB battalion, said after filing a case with Chowgacha Police Station, the seized gold bars were submitted to the treasury.