Chennaiyin custodian Karanjit Singh was called into action twice early in the game as Kerala imposed themselves.
The defending champion (on 4 points) has struggled to make an impact, notching up a solitary win so far and has suffered six defeats, the most this season alongside FC Pune City.
The win meant Bengaluru FC have now won all three of their away matches on the trot to maintain a perfect record.
Though power issues began from the first half of the match, it completely affected the match when power supply to the three towers stopped just before resuming the second half.
Tendulkar, who partnered entrepreneur Prasad V Potluri to buy the franchise pumping in a reported Rs 120 crore over 10 years, has decided to sell his 20 per cent stake to majority shareholders.
Iain Hume was preparing for another season with Kerala Blasters FC in the Indian Super League (ISL) when he was told that he was no longer wanted by the club.
The left-back was one of the first picks for Blasters in the player draft with the club tieing him down on an initial one-year contract worth Rs 25 lakhs.
Kerala's stuttering campaign in the league was given a shot in the arm in the national capital thanks to veteran Canadian Iain Hume’s goal-scoring skills with a timely hat-trick.
Kerala have won just once in eight meetings against two-time champions ATK, a 2-1 victory that came three years ago.
Fourth home victory on the trot lifts Coppell’s brigade to second in standings as Pune hopes suffer major blow.