Duronto express is a newer premium class of train which runs as fast as Rajdhanis. Duronto word comes from restless in Bengali as these trains had no intermediate commercial stops when they started. But since Indian Railways incurred losses for these trains, some technical stops were converted to commercial stops. On some routes (such as Delhi-Kolkata) they take lesser time than corresponding Rajdhani express. Unlike rajdhani some durontos also have non-air conditioned sleeper class. Thus, Duronto trains have classes First AC (1A), AC II-tier, AC III-tier and Sleeper. Bed-rolls in sleeper class of Mixed Duronto Express trains will be supplied to passengers on demand, on payment of stipulated charges. Duronto trains are distinguished by vibrant and colorful vinyl coating on the outer surface of the coaches. 2 duronto trains run from Pune to Kolkata - Pune Howrah AC Duronto Special (02221) and Pune Howrah AC Duronto Express (12221).
Pune to Kolkata Pune Howrah AC Duronto Special (02221) departs from Pune Jn station (PUNE) at and arrives Howrah Jn station (HWH) at . This train has 8 stoppages. Pune to Kolkata duronto fare is Rs.5765 in First AC, Rs.2335 in Third AC and Rs.3365 in Second AC for this train which includes meal charges also.
Pune to Kolkata Pune Howrah AC Duronto Express (12221) departs from Pune Jn station (PUNE) at and arrives Howrah Jn station (HWH) at . This train has 7 stoppages. Pune to Kolkata duronto fare is Rs.6265 in First AC, Rs.2745 in Third AC and Rs.3775 in Second AC for this train which includes meal charges also. Howrah Pune duronto is the fastest train between Kolkata and Pune. All other trains on this route take no less than 31 Hours to complete the journey. Howrah railway station that has largest number of platforms (23) in India and is also said to be the busiest railway station in India.
Humsafar trains are long distance superfast trains that traverses overnight journeys. This is a new concept by the Indian Railways. Some Humsafar trains also run for more than 24 hours. Keeping in mind the middle class travellers, Humsafar was launched last year by the Former Railway Minister Mr. Suresh Prabhu. It has only Third AC class coach and have optional meal service. This train follows dynamic pricing meaning fare increases as the seat availability decreases. However, these trains hold lesser priority than Rajdhani and Shatabdi trains. Humsafar trains are equipped with modern day amenities and enhanced safety features. There are CCTV cameras fitted in every coach of Humsafar trains and there are charging points for each berth. One can also see current running speed of train on the LEDs fitted above doors. These trains are characterized by beautiful graffiti paint with vibrant sky blue color on outer surface of coaches. 1 humsafar train runs from Pune to Kolkata - Pune Santragachi Humsafar Express (20821).
Pune to Kolkata Pune Santragachi Humsafar Express (20821) departs from Pune Jn station (PUNE) at and arrives Santragachi Jn station (SRC) at . This train has 14 stoppages. Pune to Kolkata humsafar fare is Rs.2340 in Third AC and Rs.880 in Sleeper for this train.