The necessity for a regular survey of all lands in the province of Bengal, Bihar, and Orissa arose to be a direct sequel to the above action. The knowledge collected as many as 1789 concerning the restrictions and regions of current estates was incomplete and, most likely sometimes, extremely inaccurate. https://zanejtcmv.therainblog.com/32029202/topographic-survey-drone-bangladesh-things-to-know-before-you-buy