Day by day the Railway department is improving, specially in safety measures for the passengers. Now it’s looking really good for the passengers who travels daily by train. As we are aware there are many passengers who catch train or get down from the train when its already in motion which is very dangerous and risky. So Mumbai Central Railway has installed a blue indicator at the entrance of a suburban train coach so that the pilot indicate or project warning to the passengers not to board trains during departing. It installed first installed in the Mumbai suburban network because it is the world largest network, withover 75 lakh daily passagers from this route.