Before revision:  The indicators that we use are derived from the Census 2011 The Ministry of Home Affairs, Government of India, 2011 and the NFHS-4 The Ministry of Health and Family Welfare, Government of India, 2016 survey data.
After revision:  The indicators that we use are derived from the Census 2011 The Ministry of Home Affairs, Government of India, 2011 The Ministry of Health and Family Welfare, Government of India, 2016 survey data.