The Indian Institute of Technology (IIT) Madras has ranked 1st among the centrally funded technical institutes in the Centre's Atal Ranking of Institutions on Innovation Achievements (ARIIA) 2021.
As per Census 2011, the absolute number of non-literates of the country in 15 years and above age group is 25.76 crore (Male 9.08 crore, Female 16.68 crore).