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. 4 rajdhani trains run from Delhi to New Jalpaiguri - DBRT RAJDHANI (12424), DBRG RAJDHANI (20504), DBRG RAJDHANI (20506) and AGTL TEJAS RAJ (20502).

Delhi to New Jalpaiguri DBRT RAJDHANI (12424) departs from New Delhi station (NDLS) at 16:20 and arrives New Jalpaiguri station (NJP) at 12:30. This train has 11 stoppages. Delhi to New Jalpaiguri rajdhani fare is Rs.4940 in First AC, Rs.2970 in Second AC and Rs.2155 in Third AC for this train which includes meal charges also.

Delhi to New Jalpaiguri DBRG RAJDHANI (20504) departs from New Delhi station (NDLS) at 11:25 and arrives New Jalpaiguri station (NJP) at 11:25. This train has 12 stoppages. Delhi to New Jalpaiguri rajdhani fare is Rs.5135 in First AC, Rs.3125 in Second AC and Rs.2260 in Third AC for this train which includes meal charges also.

Delhi to New Jalpaiguri DBRG RAJDHANI (20506) departs from New Delhi station (NDLS) at 11:25 and arrives New Jalpaiguri station (NJP) at 11:25. This train has 12 stoppages. Delhi to New Jalpaiguri rajdhani fare is Rs.4970 in First AC, Rs.3035 in Second AC and Rs.2205 in Third AC for this train which includes meal charges also.

Delhi to New Jalpaiguri AGTL TEJAS RAJ (20502) departs from Anand Vihar Trm station (ANVT) at 19:50 and arrives New Jalpaiguri station (NJP) at 19:35. Delhi to New Jalpaiguri rajdhani fare is Rs.5335 in First AC, Rs.3215 in Second AC and Rs.2345 in Third AC 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. 2 sampark-kranti trains run from Delhi to New Jalpaiguri - NDLS SCL EXP (14038) and PORVOTR S KRNTI (22450).

Delhi to New Jalpaiguri NDLS SCL EXP (14038) departs from New Delhi station (NDLS) at 23:45 and arrives New Jalpaiguri station (NJP) at 22:55. This train has 7 stoppages. Delhi to New Jalpaiguri sampark-kranti fare is Rs.4015 in First AC, Rs.2365 in Second AC, Rs.1635 in Third AC and Rs.610 in Sleeper for this train.

Delhi to New Jalpaiguri PORVOTR S KRNTI (22450) departs from New Delhi station (NDLS) at 23:45 and arrives New Jalpaiguri station (NJP) at 22:55. This train has 8 stoppages. Delhi to New Jalpaiguri sampark-kranti fare is Rs.4095 in First AC, Rs.2410 in Second AC, Rs.1680 in Third AC and Rs.640 in Sleeper for this train.