The necessity for an everyday survey of all lands while in the province of Bengal, Bihar, and Orissa arose like a direct sequel to the above mentioned action. The knowledge gathered up to 1789 regarding the boundaries and regions of present estates was incomplete and, most likely occasionally, very inaccurate. https://rivercoyhr.blogaritma.com/31430252/the-fact-about-aerial-survey-bangladesh-that-no-one-is-suggesting