HEADS Rail is CAD based Railway design software which processes Survey data obtained from Total Station which is processed to create DTM with Ground Contours. HEADS Rail also processes Satellite images, Conversion from TM (Survey) to UTM (GPS) Coordinates, Communication with Google Earth to plan for Green Field Alignments, processing of Ground elevation data by Online downloaded from Shuttle Radar Topography Mission (SRTM) from Internet by using Global Mapper without any field Topo Survey.