Mohun Bagan Athletic Club or Mohun Bagan A.C. is the oldest football club in India. It was founded as Mohun Bagan Sporting Club in 1889 by Bhupendra Nath Bose in Kolkata, West Bengal, India. The club plays in the I-League, the top-flight domestic league of Indian football. Mohun Bagan were given the title of the National Club of India in 1989, by then Prime Minister Rajiv Gandhi. Mohun Bagan have won the top-tier football league in India four times, including the National Football League three times and the I-League once.