2020–21 Indian Super League season  The 2020–2021 Indian Super League season will be the seventh season of the Indian Super League, one of the top Indian professional football leagues. It was established in 2013 and first season took place in 2014. ATK are the defending champions, who won their 3rd Indian Super League title by defeating Chennaiyin 3–1 in the playoffs final. However, FC Goa are the defending premiers and they won the first-ever Hero ISL League Winners Shield as they topped the league table by points. Indian Super League club could register a maximum of seven and a minimum of five foreign players with at least one player of AFC affiliated nationality.