Indira Gandhi National Open University, known as IGNOU, is a Central University located at Maidan Garhi, New Delhi, India. Named after former Prime Minister of India Indira Gandhi, the university was established in 1985 with a budget of ₹20 million, after the Parliament of India passed the Indira Gandhi National Open University Act, 1985 (IGNOU Act 1985). IGNOU is run by the central government of India, and with total active enrollment of over 4 million students, it is the largest university in the world.