Rapid Elevation Modeling Needed

I have a set of raw topographic layers that must be turned into a clean, accurate Digital Elevation Model right away. The data are already geo-referenced; what I need from you is the full elevation-modeling... (Budget: ₹1500 - ₹12500 INR, Jobs: 3D Modelling, ArcGIS, Cartography & Maps, Data Processing, Data Visualization, Geospatial, Remote Sensing)