Comprehensive Makkah GIS Terrain Analysis

I need a full terrain-focused GIS study of the Makkah Region so I can fabricate an accurate 3D physical model later on. Please base the work primarily on Copernicus DEM, and feel free to blend in SRTM,... (Budget: ₹10000 - ₹30000 INR, Jobs: 3D Modelling, 3D Visualization, ArcGIS, Cartography & Maps, Data Processing, Data Visualization, Geographical Information System (GIS), Geospatial, Remote Sensing, SketchUp)