 Still, Noida villages lack in permanent postal and individual address but according to officials, the homes in villages will be soon mapped using aerial imagery captured by drones designed by North East Centre for Technology Application and Reach (NECTAR), an autonomous society set up under the Union government's department of science and technology.These maps will also provide crucial information about rural areas in an emergency.Officials said it will take almost a year to complete mapping and allotting address to all 81 villages.