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 Guwahati to Delhi - RAJDHANI EXP (12423), RAJDHANI EXP (20503) and TEJAS EXPRESS (20501).

Guwahati to Delhi RAJDHANI EXP (12423) departs from Guwahati station (GHY) at 06:45 and arrives New Delhi station (NDLS) at 10:30. This train has 16 stoppages. Guwahati to Delhi rajdhani fare is Rs.5940 in First AC, Rs.3595 in Second AC and Rs.2595 in Third AC for this train which includes meal charges also.

Guwahati to Delhi RAJDHANI EXP (20503) departs from Guwahati station (GHY) at 05:35 and arrives New Delhi station (NDLS) at 13:38. This train has 17 stoppages. Guwahati to Delhi rajdhani fare is Rs.6205 in First AC, Rs.3780 in Second AC and Rs.2750 in Third AC for this train which includes meal charges also.

Guwahati to Delhi TEJAS EXPRESS (20501) departs from Guwahati station (GHY) at 04:15 and arrives Anand Vihar Trm station (ANVT) at 10:50. Guwahati to Delhi rajdhani fare is Rs.6250 in First AC, Rs.3790 in Second AC and Rs.2725 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 Guwahati to Delhi - PORVOTR S KRNTI (22449) and PORVOTR S KRNTI (14037).

Guwahati to Delhi PORVOTR S KRNTI (22449) departs from Guwahati station (GHY) at 06:10 and arrives New Delhi station (NDLS) at 12:45. This train has 11 stoppages. Guwahati to Delhi sampark-kranti fare is Rs.4865 in First AC, Rs.2860 in Second AC, Rs.1980 in Third AC and Rs.760 in Sleeper for this train.

Guwahati to Delhi PORVOTR S KRNTI (14037) departs from Guwahati station (GHY) at 06:05 and arrives New Delhi station (NDLS) at 12:45. This train has 10 stoppages. Guwahati to Delhi sampark-kranti fare is Rs.4790 in First AC, Rs.2810 in Second AC, Rs.1935 in Third AC and Rs.730 in Sleeper for this train.