Mohun Bagan Athletic Club Academy won the Manchester United (U-15) Premier Cup getting past a Singapore Academy side 2-0 in the final at Bangkok on Sunday.
Malswam Jwala put Bagan in the lead in the first half before Bapi Chowdhury scored the second goal in the second session.
Earlier in the day, the Kolkata outfit defeated a Malaysia side in the semi-final to reach the summit round.
In the other half of the draw, the Singapore team overcame a Thailand outfit in the last-four round match.
By winning the South East Asian Zone title of the Manchester United Premier Cup, Bagan will now play the final round of the championship in England.