Richard Gadze, Keane Lewis and a brace scored by marquee player Florent Malouda helped Delhi secure a comfortable win. Bernard Mendy scored the consolation goal for the visitors.
Richard Gadze gave Delhi the lead in the 15th minute which was doubled by Florent Malouda's strike in the 25th minute.
Chennaiyin captain and defender Bernard Mendy pulled one back 10 minutes before half-time with a wonderful strike.
Indian winger Keane Lewis scored the third goal for his side in the 54th minute which almost sealed the fate of the match.
An 85th-minute strike from Florent Malouda was enough secure a comfortable win for Gianluca Zambrotta's side.
Here are some photos from the match:
From left: Florent Malouda and Bernard Mendy
Captains Florent Malouda and Bernard Mendy exchange match swaps before the game.
Richard Gadze and Keane Lewis
Goal scorers Keane Lewis and Richard Gadze celebrate a goal.
Delhi Dynamoscaptain Florent Malouda in action.
Chennaiyin FC captain Bernard Mendy celebrates after scoring the only goal for his side.
Delhi Dynamos and Chennaiyin FC players
Delhi Dynamos and Chennaiyin FC players tussle for the ball.