Technology
Satdham Advanced Signal System being developed by us is an improved train control system for stations. This is a new system based on knowledge and reasoning with real time decision making capabilities and would provide a revolutionary paradigm shift in the concept of signaling and interlocking technologies.

With the conventional railway signal systems, the trains can only operate in "fixed blocks", while with the new system, a train will be capable of operating in flexible blocks or "moving blocks", which is a more efficient method as the installations such as tracks and moving equipment are utilized to the maximum possible capacity.

This communications-based signal system will depend on the use of data communication over a variety of paths (including radio) to gather required information for train location and system integration. The system will be capable of defining and safely implementing the principle of the flexible or variable "moving block" systems based on actual (real-time) train speed, track geometry, direction of movement, required safe braking distances, and stopping characteristics. In the variable moving block method, the distance between trains no longer depends on the length of blocks and can be reduced to the braking distance with a safety margin.