Census 2011 (External website that opens in a new window) marks a milestone in the history of Census the country. It has come at a time when India emerges as a strong, self-reliant and modern nation. The basic benchmark statistics on the state of human resources, demography, culture and economic structure at this crucial juncture will be vital to guide and shape the future course of the nation.
Census 2011 (External website that opens in a new window) was conducted in two phases. The first phase, called the House Listing or Housing Census was conducted between April and September, 2010 across the country, depending on the convenience of different States/UTs. The second phase, Population Enumeration, began simultaneously all over the country from February 9, 2011 and continued up to February 28, 2011.
The landmark of Census 2011 is the creation of the National Population Register (NPR) (External website that opens in a new window) which will build up a comprehensive identity database of usual residents of the country. It will have the biometric data and Unique Identification (UID) (External website that opens in a new window) Number of every person (15 years and above).
National Identity Cards will be given in a phased manner to all usual residents by the Office of the Registrar General and Census Commissioner, India.
Source: India Book - A Reference Annual