On 9 January 2016, Mohun Bagan won the opening match of the I-League 3–1 at the Barasat Stadium, with a brace from Cornell Glen and a solitary goal from Balwant.
[6] In the return leg encounter at the Rajiv Gandhi Stadium, Aizawl it was the highlanders who brought down high flying Mohun Bagan to ground with a 2–1 victory over the Kolkata club.
In the 86th minute, it was Jeje Lalpekhlua who sealed the fate of the match with a vicious half volley past the goalkeeper Karanjit Singh to put Mohun Bagan 3–2 ahead.
[8] In the return leg of the quarter final tie, the Mariners demolished Salgaocar 4–0 riding on a brace from Haitian playmaker Sony Norde and goals from Katsumi Yusa and Jeje Lalpekhlua.
Minutes away from the half time whistle Sony Norde scored his first of the match and the tournament as he beautifully cut in from the left and put the ball in the net past the goalkeeper to ensure that Bagan went into the lemon break with a 3-goal advantage on aggregate.
It was a piece of individual brilliance by Haitian playmaker Sony Norde as he went past three Salgaocar defenders and put the ball in the net with relative ease to score his second of the night.
In the final minute of the match, a beautiful through ball from Cornell Glen saw Jeje Lalpekhlua tap it in with utter ease to put the icing on the cake of the Green and Maroon victory.
[9] Next, Mohun Bagan were up against a fairly confident Shillong Lajong side who had entered the semi-finals upsetting Kolkata giants East Bengal 4–3 on aggregate.
His long range effort rebounded off Lajong goalkeeper Vishal Kaith, and Jeje Lalpekhlua grabbed onto the opportunity as he toed the ball into the net.
In the final stages of the first half Bikramjit Singh scored a screamer from a Cornell Glen pass to put Mohun Bagan ahead 2–0.
At the fag end of the match young star Azharuddin Mallick put the final nail in the Lajong coffin to secure a comprehensive 5–0 victory for the Mariners.
Shillong Lajong had their best chance of the match when Brazilian striker Fábio Pena found an open net in front of him but still ended up hitting the woodwork.
[12] The return leg match at the Sree Kanteerava Stadium started with Bengaluru FC needing a 1–0 victory to guarantee a place in the semi-finals.
After the restart, post the lemon break, the fate of the match was sealed by the Aizawl captain David Lalrinmuana as he scored from a direct free-kick to give the visitors an almost unassailable 3–1 lead (5–2 on aggregate).
Bengaluru FC pressed hard in the final half hour and did manage to pull one back through a penalty goal from Indian striker Sunil Chettri.
The visitors however made the Goan recovery more difficult after the referee awarded a penalty to the highlanders as their captain David Lalrinmuana was tripped in the box by a Sporting Goa defender.