The correct answer is: B) 10 years
The Census of India is a decennial (every ten years) census of India. It is conducted by the Office of the Registrar General and Census Commissioner, India, under the Ministry of Home Affairs. The first census was conducted in 1872. 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, literacy, and occupation. The data is used to plan for development and to monitor the progress of development.
The census is a major undertaking that requires the cooperation of millions of people. It is a valuable tool for understanding the population of India and for planning for the future.
The other options are incorrect because:
- Option A is incorrect because the census is conducted every 10 years, not 5 years.
- Option C is incorrect because the census is conducted every 10 years, not 15 years.
- Option D is incorrect because the census is conducted every 10 years, not 20 years.