Sir how surveys become important

The British gave much importance to the practices of surveying because they believed that a country had to effectively administred. Therefore, they carried out detailed surveys by the early 19th century in orders to map the entire country:
• They conducted revenue surveys in villages.
• They made efforts to know, the topography, the soil quality, the flora, the fauna, the local histories and the cropping pattern.
• They also introduced census operations, held at the intervals of every ten years from the end of the 19th century. They prepared detailed records of the number of people in all the provinces of India, nothing information on castes, religious and occupations separately.
• The British also carried on several other surveys such as botanical surveys, zoological surveys, etc. In the way, the gathered all the fatcs that were essential for administering a country.