Rajdhani express are premium category trains by the Indian Railways that redefines luxury travelling in India. It is a fully air-conditioned train which connects country capital (Delhi) with state capitals. That is why they are called 'Rajdhani' which translates to 'Capital' in English. These train runs at very high speed and therefore it usually takes least time to reach destination compared to other trains on the same route. Mumbai rajdhani is the fastest rajdhani train which attains a maximum speed of 140 kmph on some stretch. Rajdhani Express offers catering facilities inside the train the fare of which is included in ticket fare. Rajdhani trains have 3 classes - First AC (1A), AC II-tier (2A) and AC III-tier (3A) only and they are coupled with LHB coaches that have higher safety features. The ticket fare for Rajdhani is maximum amongst all trains on the same route and has dynamic fare (Flexi Fare) system. Waitlisted passengers are strictly not allowed inside this train. Rajdhani train coaches are usually painted in red with a grey colored strip outside. 3 rajdhani trains run from Kolkata to Mughalsarai - RAJDHANI EXPRES (12301), RAJDHANI EXPRES (12305) and RAJDHANI EXPRES (12313).

Kolkata to Mughalsarai RAJDHANI EXPRES (12301) departs from Howrah Jn station (HWH) at 16:50 and arrives Deendayal Upadhyaya Jn station (DDU) at 00:40. Kolkata to Mughalsarai rajdhani fare is Rs.2980 in First AC, Rs.1835 in Second AC and Rs.1355 in Third AC for this train which includes meal charges also.

Kolkata to Mughalsarai RAJDHANI EXPRES (12305) departs from Howrah Jn station (HWH) at 14:05 and arrives Deendayal Upadhyaya Jn station (DDU) at 00:40. Kolkata to Mughalsarai rajdhani fare is Rs.3215 in First AC, Rs.1960 in Second AC and Rs.1450 in Third AC for this train which includes meal charges also. Active on IRCTC

Kolkata to Mughalsarai RAJDHANI EXPRES (12313) departs from Kolkata Sealdah station (SDAH) at 16:50 and arrives Deendayal Upadhyaya Jn station (DDU) at 01:10. Kolkata to Mughalsarai rajdhani fare is Rs.2980 in First AC, Rs.1835 in Second AC and Rs.1355 in Third AC for this train which includes meal charges also.

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 Kolkata to Mughalsarai - BKN DURONTO EXP (12259) and NDLS DURONTO EX (12273).

Kolkata to Mughalsarai BKN DURONTO EXP (12259) departs from Kolkata Sealdah station (SDAH) at 17:00 and arrives Deendayal Upadhyaya Jn station (DDU) at 01:20. Kolkata to Mughalsarai duronto fare is Rs.2935 in First AC, Rs.1790 in Second AC and Rs.1310 in Third AC for this train which includes meal charges also.

Kolkata to Mughalsarai NDLS DURONTO EX (12273) departs from Howrah Jn station (HWH) at 08:45 and arrives Deendayal Upadhyaya Jn station (DDU) at 20:05. Kolkata to Mughalsarai duronto fare is Rs.3445 in First AC, Rs.2150 in Second AC, Rs.1640 in Third AC, Rs.1190 in Third Economy and Rs.685 in Sleeper for this train which includes meal charges also.

Sampark Kranti is a series of express trains in India that connects different states of India to the national capital - New Delhi. Sampark in Hindi means connectivity while Kranti is also a word in Hindi language meaning revolution. Thus these trains have revolutionized the state connectivity with center. These trains have a combination of all the classes - AC, Sleeper and Unreserved coaches. Sampark Kranti trains are for long distance journeys. These trains are named after states and Sampark Kranti train for a particular state has most of the stoppages in that state only. 1 sampark-kranti train runs from Kolkata to Mughalsarai - SAMPARK K EXP (12329).

Kolkata to Mughalsarai SAMPARK K EXP (12329) departs from Kolkata Sealdah station (SDAH) at 13:10 and arrives Deendayal Upadhyaya Jn station (DDU) at 22:30. Kolkata to Mughalsarai sampark-kranti fare is Rs.2465 in First AC, Rs.1475 in Second AC, Rs.1045 in Third AC and Rs.400 in Sleeper for this train.

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 Kolkata to Mughalsarai - HUMSAFAR EXP (22317).

Kolkata to Mughalsarai HUMSAFAR EXP (22317) departs from Kolkata Sealdah station (SDAH) at 13:10 and arrives Deendayal Upadhyaya Jn station (DDU) at 22:40. Kolkata to Mughalsarai humsafar fare is Rs.1190 in Third AC for this train.