The Indian Super League is a men's professional football league, held in India. It is often referred as the 'Hero Indian Super League' for sponsorship reasons. The main aim of the tournament is to increase the level of Indian football. The first tournament was held on 21st October 2013. The inaugural season started at Kolkata in 2014 which was won by the host team. Till now, three tournaments have been played, Atlético de Kolkata being the only team to have won it twice. The other team who has won the title is Chennaiyin FC, in the year 2015. The tournament currently has eight teams. The AIFF (All India Football Federation) approved IMG-Reliance's proposal for another IPL-style league in the year 2012 and henceforth, the most exciting football league in India, Indian Super League was born.