The document provides an overview of Census 2011 in India. Some key points:
1) Census 2011 was the 15th national census conducted in India in two phases - house listing and population enumeration. It covered over 640 districts and 7,742 towns across the country.
2) The census found India's population to be over 1.2 billion, an increase of over 181 million from the previous census in 2001.
3) Literacy rates increased from 64.83% in 2001 to 74.04% in 2011, an increase of 9.21 percentage points.
4) States like Uttar Pradesh, Maharashtra, and Bihar had the highest populations, while the sex ratio improved nationally and