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. 2 rajdhani trains run from New Jalpaiguri to Barauni Jn - RAJDHANI EXP (12423) and RAJDHANI EXP (20505).

New Jalpaiguri to Barauni Jn RAJDHANI EXP (12423) departs from New Jalpaiguri station (NJP) at 13:15 and arrives Barauni Jn station (BJU) at 19:05. This train has 5 stoppages. New Jalpaiguri to Barauni Jn rajdhani fare is Rs.1975 in First AC, Rs.1235 in Second AC and Rs.940 in Third AC for this train which includes meal charges also.

New Jalpaiguri to Barauni Jn RAJDHANI EXP (20505) departs from New Jalpaiguri station (NJP) at 12:15 and arrives Barauni Jn station (BJU) at 18:50. This train has 4 stoppages. New Jalpaiguri to Barauni Jn rajdhani fare is Rs.1895 in First AC, Rs.1190 in Second AC and Rs.895 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 New Jalpaiguri to Barauni Jn - PORVOTR S KRNTI (14037) and PORVOTR S KRNTI (22449).

New Jalpaiguri to Barauni Jn PORVOTR S KRNTI (14037) departs from New Jalpaiguri station (NJP) at 13:45 and arrives Barauni Jn station (BJU) at 20:05. This train has 2 stoppages. New Jalpaiguri to Barauni Jn sampark-kranti fare is Rs.1495 in First AC, Rs.900 in Second AC, Rs.635 in Third AC and Rs.235 in Sleeper for this train.

New Jalpaiguri to Barauni Jn PORVOTR S KRNTI (22449) departs from New Jalpaiguri station (NJP) at 13:45 and arrives Barauni Jn station (BJU) at 20:05. This train has 3 stoppages. New Jalpaiguri to Barauni Jn sampark-kranti fare is Rs.1575 in First AC, Rs.945 in Second AC, Rs.680 in Third AC and Rs.265 in Sleeper for this train.