Karnataka retains top spot on innovation index Skilled human resource, ease of doing business, legalities, knowledge dissemination, health and education are some of the parameters considered to decide the ranking. Share Via Email | A+A A- By Express News Service BENGALURU: Karnataka has retained the top position in the innovation index for a second year in a row, a pointer to its strength in maintaining the leadership position. The state’s innovation score of 42.5 was way above the average score of 25.35 among the major states. Maharashtra was in second place with a score of 38 and Bihar in the last place with just 14.5. Among City States and Union Territories, Delhi topped list.