Table:
text: Indian states ranking by literacy rate
Timeline by Census
Summary by Office of the Registrar General and Census Commissioner, Ministry of Home Affairs, Government of India; literacy rates as % of population
State_ Literacy_Rate_2013_Estimate_ Literacy_Rate_2001_Census Literacy_Rate_2011_Census _Increase
Kerala 95.5 92.19 93.91 3.04%
Mizoram 93.4 88.8 91.6 2.80%
Tripura 91.5 73.19 87.8 14.61%
Goa 90.5 87.4 87.4 0.00%
Himachal Pradesh 86.5 76.48 83.8 7.32%
Nagaland 85.9 76.88 82.9 6.02%
Sikkim 86.2 68.81 82.2 13.39%
Tamil Nadu 83.0 73.45 80.3 6.85%
Maharashtra 83.2 66.59 80.1 13.52%
Punjab 83.1 69.65 79.9 10.25%
Manipur 83.8 63.74 79.8 16.06%
Uttarakhand 82.5 71.62 79.6 7.98%
Gujarat 82.2 69.14 79.3 10.16%
West Bengal 80.2 68.64 77.1 8.46%
Haryana 79.7 67.91 76.6 8.69%
Karnataka 78.6 66.64 75.6 8.96%
Meghalaya 79.5 62.56 75.5 12.94%
India 77.3 64.84 74.04 9.2%
Odisha 76.8 55.08 73.45 10.42%

Question: What is the average estimated 2013 literacy rate among Indian states ranked by literacy rate, for the states having a literacy rate of 68.81% at the 2001 census and a literacy rate greater than 79.6% at the 2011 census had?