Bangladeshi boys started their domination from the opening minute of the game but they bagged its result as Siful Islam Saeed opened account for his side in the 45th minute (1-0).
In the 2nd half, Bangladesh doubled the margin while Bhutanese midfielder Kelzang Jigme buried the ball to his own net (2-0) in the 50th minute.
Just after 2 minutes, Moniul Islam Moin sealed the win scoring 3rd goal for Bangladesh in the 52nd minute.
Bangladesh, which was put in Group E of the AFC junior meet along with Qatar, Yemen and Bhutan, will play Yemen in their remaining match on Sunday (Sept 22) at 7 pm (BdST) at the same venue.
Earlier, Bangladesh started their campaign conceding a 0-2 goal defeat against hosts Qatar in their first match Thursday night in Doha.
After the barren first half, forwards Rashid Abdulaziz Al-Abdulla and Abdulrahman Al-Dosari scored one goal each for the hosts in the 58th and 89th minutes respectively.
A 31-member Bangladesh U-16 Football Team consisting of 23 booters and 8 officials reached Qatar capital Doha Monday evening to participate in the AFC junior meet.