The Registrar General and Census Commissioner of India is a key official responsible for conducting the decennial census in India. This role involves collecting, compiling, and analyzing demographic data about the population, which helps in policy-making and resource allocation. The office operates under the Ministry of Home Affairs and plays a crucial role in maintaining vital statistics. In addition to the census, the Registrar General oversees the registration of births and deaths across the country. This ensures accurate records of population changes and supports various government initiatives. The data collected is vital for understanding social and economic trends in India.