Gabriel Fernandes drew the first blood with a bullet of a shot over East Bengal goalkeeper Gurpreet Singh Sandhu's stretched hands as Mumbai FC showed total domination on home turf.
In a match that saw several rough tackles, Mumbai FC's Darren Caldeira was rushed to hospital with injuries.
Mumbai FC striker Yusuf Yakubu made it 2-0 in the fourth minute of injury time before East Bengal found a consolation goal through Chidi Edeh in the final minute of the match.
The win propelled Mumbai FC to 19 points from 12 matches as they climbed one step in the I-League ladder to number five position, pushing Prayag United SC down to sixth spot. Despite the defeat, East Bengal stay at fourth place with 21 points.
Himachal Pradesh, Assam and Delhi scored victories over their respective opponents in the group stage matches of the 63rd Senior National Basketball ...