The two-time champions suffered their fourth defeat in a row when they lost 0-2 to Bengaluru FC in the previous match, ending their title hopes.
ATK are the most successful franchise of the ISL but the team think tank chose to overhaul the squad this season, walking out of a successful partnership with Spain's La Liga team Atletico Madrid.
Former Manchester United star Teddy Sheringham was roped in as the chief coach as the team had a distinctive English touch but was shown the door after just 10 matches.
Even the club's owners have accepted the team was in the middle of a disastrous season and blamed it on the new setup.
More From This Section
"We had a Spanish coach and Spanish players. We were champions in the first two editions out of three. New team new coach. We could not get our combination right. The change in management did not work for us," former India cricket captain Sourav Ganguly, a co-owner of the franchise said.
Plagued by injuries to key players, including Irish great Robbie Keane, ATK are now placed eighth in the table with 12 points from 13 matches.
While ATK have not been able to find their act together, David James' men have managed successive wins on the back of four losses from 12 matches to keep their play-off hopes alive with four matches remaining.
Kerala pipped Pune City FC 2-1 in their last outing courtesy of a last-gasp winner by CK Vineeth.
The Blasters will be without defender Sandesh Jhingan (who picked up his fourth yellow card against Pune City) for tomorrow's match as it remains to be seen whether ATK get back to winning ways.