Mohun Bagan finished at the bottom of the table, failing to win a single match on debut in the Manchester United Premier Cup football Under-15 football tournament for club team from across the world.
After losing all of their four group matches, the Bagan colts also lost their placement matches at Manchester United's Carrington training ground.
Playing for 17th-18th place in the morning, the Kolkata outfit went down 1-0 after battling spiritedly against Molenbeek Brussels Football Club, Belgium.
The all-important goal was scored by David Franck from the penalty spot.
In the play-off for the 19th position later in the day, they were drubbed 7-0 by Chile's Catolica Universidad.
The South American side was up 4-0 at half-time.
In their six matches in the competition, each of 40 minutes duration, they could score just one goal while conceding 20.