The correct answer is: d) Decennial basis.
The Census of India is a decennial census of India, conducted by the Office of the Registrar General and Census Commissioner, India. The first census was conducted in 1872, and the most recent census was conducted in 2021. The census is used to collect data on the population of India, including age, sex, religion, language, and literacy. The data collected by the census is used to plan for the development of India.
The census is conducted on a decennial basis, which means that it is conducted every ten years. The next census will be conducted in 2031.
The census is a very important event in India, and it is a major undertaking. The census is conducted by a large team of people, and it requires a lot of planning and coordination. The census is a valuable source of information about the population of India, and it is used to plan for the development of the country.
The other options are incorrect because:
- Option a) is incorrect because the census is not conducted on an annual basis.
- Option b) is incorrect because the census is not conducted on a bi-annual basis.
- Option c) is incorrect because the census is not conducted on a quinquennial basis.