The Registrar-General and Census Commissioner of India (RGI) is the top authority for managing Census operations and civil registration across the country.

• Formed in 1961 under the Ministry of Home Affairs.
• Functions
  • Conducts the decennial Census of India under the Census Act, 1948.
  • Oversees compulsory registration of births and deaths under the Registration and Birth and Death Act, 1969.
  • Conducts bi-annual sample surveys to provide reliable estimates of birth rate, death rate, IMR, and MMR.
  • It maintains a database of all people usually residing in India, under the Citizenship Act, 1955 and Citizenship Rules, 2003.
  • Documents consistently used mother tongues across Census decades.

Source: The Hindu