Krishnan, Vijay Amritraj and Mahesh Bhupathi. Nirupama Vaidyanathan, the first Indian women to play in a grand slam tournament also hails from the state. The ATP Chennai Open tournament is held in Chennai every January. The Sports Development Authority of Tamil Nadu (SDAT) owns Nungambakkam tennis stadium which hosts Chennai Open and Davis Cup play-off tournaments. The Tamil Nadu Hockey Association is the governing body of hockey in the state. Vasudevan Baskaran was the captain of the Indian team that won the gold medal in the 1980 Olympics in Moscow. The Mayor Radhakrishnan Stadium in Chennai hosts international hockey events and is regarded by the International Hockey Federation as one of the best in the world for its infrastructure. Tamil Nadu also has golf ground in Coimbatore, The Coimbatore Golf Club is an 18-hole golf course located in Chettipalayam in Coimbatore, located within the city limits in the state of Tamil Nadu in India. The club is also a popular venue for major golf tournaments held in India. The Sports Development Authority of Tamil Nadu (SDAT), a government body, is vested with the responsibility of developing sports and related infrastructure in the state. The SDAT owns and operates world-class stadiums and organises sporting events. It also accommodates sporting events, both at the domestic and international level, organised by other sports associations at its venues. The YMCA College of Physical Education at Nandanam in Chennai was established in 1920 and was the first college for physical education in Asia. The Jawaharlal Nehru Stadium in Chennai is a multi-purpose stadium hosting football and track and field events. The Indian Triathlon Federation and the Volleyball Federation of India are headquartered in Chennai. Chennai hosted India's first-ever International Beach Volleyball Championship in 2008. The SDAT – TNSRA Squash Academy in Chennai is one of the very few academics in South Asia hosting international squash events. Jawaharlal Nehru Stadium in Coimbatore is a multi-purpose stadium in Coimbatore constructed in 1971 which is used to host I-League football matches. Tourism The tourism industry of Tamil Nadu is the largest in India, with an annual growth rate of 16 per cent. Tourism in Tamil Nadu is promoted by Tamil Nadu Tourism Development Corporation (TTDC), a government of Tamil Nadu undertaking. According to Ministry of Tourism statistics, 4.68 million foreign (20.1% share of the country) and 333.5 million domestic tourists (23.3% share of the country) visited the state