The crowd too turned up in large numbers as the official count stood at 61,237 and the three-time World Cup winner was seen enjoying the competition.
He also exchanged pleasantries with Founder & Chairperson, Football Sports Development Limited, the promoters of the ISL, as the duo were also seen clicking 'selfies' sitting in the hospitality box.
"I think it's a big honour and privilege for all of us that Mr Pele is right here with us.
I'm waiting to be with him and watch this match from this historic stadium in Kolkata," an excited Ambani said ahead of the match.
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With the defending champions ATK taking a sixth minute lead through an Arata Izumi strike, Pele was seen fully enjoying the match and cheering from the hospitality box.
Pele however did not sit through the entire match and left just before the break with ATK leading 1-0.
On his third day of the visit, Pele had attended a couple of promotional programme in the morning and in the afternoon ATK hosted him a private lunch at the team hotel where he interacted with the players.
This was at the same venue that had hosted several football greats including German great Oliver Kahn, who played his swansong match for Bayern Munich.
It also hosted Lionel Messi studded Argentina in a FIFA friendly against Venezuela on September 2, 2011.
Diego Maradona, Karl Heinze Rumminiege, Diego Forlan and Gerd Muller are among other football greats who had graced the city.