Mumbai City FC had the better start but after the initial flurry with Balwant Singh and Rafa Jorda upfront it was ATK thereafter with home keeper Amrinder Singh denying them on numerous occasions. At the break it was goalless.
After the breather, ATK continued with their attacks and after captain Robbie Keane was denied once more by Amrinder, the Mumbai City FC keeper was finally beaten in the 54th minute when Zequinha played an excisite ball to Robin Singh, who just touched the ball ahead of Lucian Goian and Amrinder to give the away side the lead.
But this acted like a wake-up call for Mumbai City FC with now ATK keeper Debjit Majumder having to show his class to deny the home side.
In the end, ATK had their first win of ISL-4 in what is becoming a more and more interesting league.
MATCH AWARDS
Club Award: ATK
Swift Moment of the Match: Robin Singh (ATK)
DHL Winning Pass of the Match: Zequinha (ATK)
Amul Fittest Player: Lucian Goian (Mumbai City FC)
Emerging Player: Debjit Majumder (ATK)
Hero of the Match: Zequinha (ATK)