Indian Institute of Management Ahmedabad (IIM Ahmedabad or IIMA) is a public business school located in Ahmedabad, Gujarat, India. It was the second Indian Institute of Management (IIM) to be established, after IIM Calcutta. It is the "world’s toughest business school to get into", on the basis of its acceptance rate (0.25%). It is consistently ranked as one of the leading business schools in India and the Asia-Pacific region.