Answer the following question, with explanation first.
The finals ended with Atlético de Kolkata defeating the Kerala Blasters in a penalty shootout, 4 -- 3, in the final. The match was a rematch of the 2014 ISL final which Atlético de Kolkata won as well 1 -- 0.\n\nBased on this passage, who won the title of isl football 2016?

Atlético de Kolkata
To answer this question, we should know that: The finals ended with Atlético de Kolkata defeating the Kerala Blasters in a penalty shootout, 4 -- 3, in the final.

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Thus, the answer is Atlético de Kolkata