In the day’s other match, Young Elephants Football Club of Laos eliminated TC Sports Club of Maldives by 2-1 goals at the same venue.
Three teams of Group A – Chattogram Abahani, Mohun Bagan and Young Elephants – have earned six points from their three matches with two wins and one defeat each.
Defending champions TC Sports Club of Maldives have been eliminated.
In the day’s high-voltage match, Chattogram Abahani maintained a compact defense from the beginning. Kolkata giant Mohun Bagan made some attempts but failed to score while the hosts created some half chances from their counter-attacks.
Mohun Bagan could open their account in the 42nd minute but Chattogram Abahani defender Plane Petar smartly cleared the ball from the danger zone.
After a goalless first half, Mohun Bagan broke the deadlock in the 70th minute as Vadakkepeedika netted the ball with a right-footer volley from inside the box.
Three minutes later, Mohun Bagan got another chance to double their lead but Chattogram Abahani goalkeeper Mazharul Islam Himel denied a long-range shot from Suhair.
After conceding the goal, Chattogram Abahani came alive and produced some close chances but failed to find the net. The second half saw some quality saves from Mohun Bagan goalkeeper Debjit Majumder.
Vadakkepeedika of Mohun Bagan and Manik Hossan Mollah, Jean Charles Didier, Kawasar Ali Rabbi of Chattogram Abahani got yellow cards.
Chattogram Abahani Ltd: Md Rockey, Kpehi Jean Charles Didier, Rotkovic Luka, Sohel Rana (Ariful Islam), Manik Hossan Mollah, Saker Ullah (Jamal Bhuiyan), Ikbol Jon, Plane Petar, Yeasin Arafat, Kawasar Ali Rabbi (Chinedu Matthew), Mazharul Islam Himel.
Mohun Bagan AC: Francisco Morante, Joseba Beitia, Lalramchullova, Julen Colinas (Salvador Martinez), Suhair Vadakkepeedika (Alexander Romario Jesuraj), Debjit Majumder, Dhanachandra Singh, Shilton Sydney D’Silva, Britto Pankras Mettilda (Sheikh Faiaz), Daneil Cyrus, Francisco Javier.
Referee: Shraban Kurnar Tamang (Nepal).