Khasra functions (1841-1854) It was customary for khasra operations to be carried out in temporarily settled tracts, and in addition in those permanently settled lands wherein interests were being so interfaced as to make it difficult or unduly pricey to indicate field information on the thak maps or thakbast papers. https://market-america-opc-3-anti01099.digitollblog.com/32873141/the-2-minute-rule-for-drone-land-survey-bangladesh