carry out ground analysis and study using airborne data acquisition technique with high accuracy by pre-approved fully autonomous vertical take off & landing unmanned arial vehicle and providing detailed analysis including identification, classification & integration of kharland schemes with minimum accuracy of 2 cm in the manner as directed by engineer in charge and to the satisfaction of engineer in charge, including movement of manpower and machinery/equipment to the project site, shifting of gts bench mark to actual site along with actual survey as proposed above etc. complete for kharland schemes under kharland development sub-division, virar.