Major Topics: Georeferencing & Digitization, Layout, Image Processing, Image Classification, LULC, DEM Generation, Contour creation, Terrain analysis, Hydrological Analysis, Cadastral Mapping, Network analysis, NDVI, NDBI, SAVI, NDWI, NDGI, CA Markov Modeling, Drone Mapping, Atmospheric Correction, 3D Modelling, Web Publishing etc.