Diego Forlan's double strike early in the match consolidated Mumbai City FC's grip. The Uruguayan legend completed his hat-trick in the 63rd minute.
The other two goals were scored by Brazilian striker Cafu and defender Lucian Goian. The win takes Mumbai City FC to the top of the league table.
They have almost confirmed their position in the semi-final with last night's comprehensive win.
Here are some photos from the match.
Mumbai City FC's Diego Forlan celebrates after scoring a goal.
Mumbai City FC fans
Mumbai City FC fans celebrate their team's win in style.
Mumbai City FC
Mumbai City FC players hurdle before the match.
CK Vineeth (left) and Sunil Chhetri
Bengaluru FC duo CK Vineeth and Sunil Chhetri tussle for the ball.
Kerala Blasters' CK Vineeth tried to win a ball over Mumbai City FC defender.
All photos are taken from Mumbai City FC and Indian Super League Twitter handle.