Token Exchange System: Indian Railways is rapidly moving towards modernity. Even today many techniques of the British era are being used in the railways. One of these is also the token exchange system. However, now this technology is slowly going to end. But, it is still used in railways in many parts of the country. What is token exchange system? To ensure the safe operation of the train, token exchange system technology was created during the British time. In earlier times there were no track circuits. Then the train used…
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