These are air-conditioned trains linking major cities to New Delhi. They have high priority and are one of the fastest trains in India, travelling at a maximum speed of around 130–140 km/h (81–87 mph). They have limited stops. In the Railway budget of 2014, it was proposed that the speed of Rajdhani express, and Shatabdi Expresses would be increased up 180 km/h (110 mph).
The Shatabdi trains are air-conditioned, intercity trains for travel during daytime. Unlike the Rajdhani or Duronto Expresses, all Shatabdi expresses, it makes a round trip on same day. The Bhopal Shatabdi Express (Train no: 12001/12002) is one of the fastest train in India, between New Delhi and Agra cantonment, this train travels at an average speed of 90 km/h (56 mph) and touches top speed of 150 kilometres per hour (93 mph). They have seats and executive class seats, Some also have 3-tier AC berth. They have limited stops.
These are the non-stop (except for technical halts) point to point rail services introduced for the first time in 2009. They connect the metros and major state capitals of India and were introduced to travel as fast or faster than the Rajdhani Express. They provide first AC, two-tier AC and three-tier AC accommodation. Some of them provide non air-conditioned Sleeper Class accommodation.
Jan Shatabdi Express are more affordable variety of the Shatabdi Express, which have both AC and non-AC classes. The maximum speed is 110 km/h (68 mph). They have fewer stops.
These trains travel at a speed greater than 100–110 km/h (62–68 mph). Tickets for these trains have an additional superfast surcharge.
These are the most common kind of trains in India. They have more stops than their super-fast counterparts, but they stop only at relatively important intermediate stations.
These trains travel at about 40–80 km/h (25–50 mph).
These trains were introduced to connect important cities for short routes. These appear in both Superfast Express speed and Express speed category. Some of the famous legendary Intercity Express are Deccan Queen and Flying Ranee.