Sport in the United Kingdom Until 2008, automatic promotion and relegation existed between Super League and the Championship when it was replaced by three-year licences for clubs to play in the former. Promotion and relegation returned to Super League and the Championship in 2015. The main knock-out competition is the Challenge Cup, which also includes clubs from France and Canada, and in the past has also included clubs from Russia. Rugby league is also played as an amateur sport, especially in the heartland areas, where the game is administered by BARLA. Since the rugby union authorities ended the discrimination against playing rugby league amateur numbers
Centre for Studies in Social Sciences, Calcutta Jadunath Sarkar Resource Centre and Museum, houses an extensive collection of vernacular medium primary and secondary literature. The Centre is administered by a chairman, director and registrar. Initially located in Jadunath Bhavan, the former residence of Sir Jadunath Sarkar at 10, Jadunath Sarkar Road (earlier Lake Terrace), Calcutta, the research centre is now located in a new building in Patuli, Calcutta. The resource centre and museum continue to remain in the historian's former residence. Centre for Studies in Social Sciences, Calcutta Centre for Studies in Social Sciences, Calcutta (CSSSC) is a social science and humanities research and teaching institute in