<P> Mail / Express trains are Regular Express rail services of India . Express trains make a small number of stops, unlike Passenger / Local trains . In some cases, trains run express where there is overlapping local train service available, and run local at the tail ends of the line, where there is no supplemental local service . Because of their limited stops, these trains are able to obtain the highest speeds of any trains in India . </P> <P> An express train is one where the average speed, excluding halts, is greater than 36 km / h . Including halts the speed may sometimes fall into the region of around 20 km / h for express trains . </P> <P> The Duronto Express trains introduced in 2009 (which run between major cities without any intermediate halts) are projected to be the fastest trains in India when new services are introduced with a higher speed limit of 120 - 130 km / h . Despite being limited to a lower speed limit, they take as much time as a Rajdhani or Shatabdi on the same route, courtesy the non-stop nature of their journey . Rajdhani Express which was introduced in 1969 to connect New Delhi with the state capitals in India, travels at speeds up to 130 km / h . </P> <P> Indian railways run non-reserved train as have unreserved / general compartment on Express / Mail trains . </P>

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