http://flonnet.com/stories/datacard.pdf
Reading - percentage of 5th grade students who can read grade 2 text
0 to 30% = TN, so much for dravidianists
31 to 40% = MP, Jharkhand, Assam
41% to 50% = JK, Rajasthan, Chattisgarh, Guj, Karn, Bihar, UP, Orissa, West Bengal
51% to 60% = Haryana, Uttarkhand, Maharashtra, Andhra, Goa,
61% to 70% = Meghalaya, Manipur, Kerala
71% to 80% = Himachal, Punjab
Math ability - percentage of 5th grade students who can do division
11% to 20% = Guj, MP, Chattisgarh, Orissa, Assam, Meghalaya, Karnataka, Tamil Nadu ( dravidianists rank dead last in math too )
21% to 30% = JK, Rajasthan, UP, Maharashtra, Jharkand, West Bengal
31% to 40% = Uttarkhand, Bihar, Nagaland
41% to 50% = Himachal, Haryana, Manipur, Kerala, Andhra
51 to 60% = Punjab