Correct option is B
James Prinsep conducted a census in the town of Allahabad in 1824. He also conducted a census in Banaras from 1827–1828.
Here are some other important dates in the history of the census in India:
- 1800: England began its census
- 1830: Henry Walter conducted the first census of an Indian city in Dhaka, which is now in Bangladesh
- 1836–1837: Fort St. George conducted the second census
- 1849: The Government of India ordered local governments to conduct population returns every five years
- 1872: The first non-simultaneous census was conducted during the reign of Governor-General Lord Mayo
- 1881: The first simultaneous census was conducted
- 1941: The last census before independence
- 1948: The Census Act came into effect
The census is a process of collecting, analyzing, and sharing demographic, economic, and social data for a country or a defined part of a country at a specific time.