in what ways this group is benefitting Indian football. Though all these achievements came along with some controversies. As in the past, there have been fights and hooliganism among the fans of the rival clubs, the administration does not completely trust the group's functioning. Established on 15 November 2006, East Bengal the Real Power is India's first registered fan club. It is East Bengal's largest fan club and one of the largest in the country. In its early years, its functioning was limited to online platforms, but later on, it became a supporters' group. Rivalries East Bengal have rivalries with ATK Mohun Bagan, Mohammedan, Bengaluru and Odisha. East Bengal have their biggest rivalry with its city competitors ATK Mohun Bagan. East Bengal, as mentioned earlier, is primarily supported by the migrant population of present-day Bangladesh. Unlike East Bengal, ATK Mohun Bagan is a club mainly supported by the native population of the present-day state of West Bengal. The match that takes place between these two clubs is eminently called the Kolkata Derby. The Kolkata Derby has its name taken from the Old Firm Derby between Celtic and Rangers and dates back to the 1920s. After Indian independence and the partition of Bengal, the huge influx of immigrants from the eastern part of Bengal led to a socio-economic crisis in the state. This led to rivalries in jobs, business, schools, and even on the football pitch among the immigrants and native population. This rivalry became fierce, and the Kolkata Derby grew in popularity and reached its peak during the 1960s and 1970s. The Kolkata Derby holds a record of spectators, the most attended sporting event in India. Ownership East Bengal is mainly organized as a registered society under the Societies Registration Act, 1860, which means one can avail of membership in the club. There are around 12,000 members. Although, a limited company, named East Bengal Club Pvt. Ltd., was later formed, and both are governed by the club parallelly. Sponsorships and investments happen via this corporate company. The club is governed by its own set of rules and regulations. Amendments and resolutions are passed via extraordinary or annual general meeting. Currently the football rights are with a new limited company, Emami East Bengal FC Pvt. Ltd. jointly owned by East Bengal Club and Emami Group. Stadiums The club has used several stadiums at Kolkata, Howrah and Barasat, including the Eden Gardens,