Indian railways Private area network for Scada system, monitoring, operational, on board connectivity, stations connectivity

The Indian railways should build a Private area network (wired and wireless) that spans it's entire rail network running parallel to it (high speed data connectivity, availability), stations, offices, head quarters, data center's and other entities under it. The entire railway's network can be live monitored, controlled, to provide connectivity, reliable private area network, available, redundancy, fault tolerance, fail safe over, for its safety of the railways lines, trains, Scada monitoring system 🚆, fleet tracking, private network map, map view, live movement's of fleets of trains in a region or zone or regions or zones automates scanning of railways lines for safety, on board connectivity, entertainmet, station connectivity and so on can be achieved.