Its alumni and faculty include several heads of state and government, social reformers, prominent artists, the only Indian Academy award winner and Dirac medal winner, many Fellows of the Royal Society and five Nobel laureates—the highest number in South Asia—as of 2019. The five Nobel laureates associated with this university are: Ronald Ross, Rabindranath Tagore, C. V. Raman, Amartya Sen and Abhijit Vinayak Banerjee. The university has the highest number of students who have cleared the National Eligibility Test. The University of Calcutta is a member of the United Nations Academic Impact.