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 Bhubaneswar to Gaya - TEJAS RAJ EXP (20817), TEJAS RAJ EXP (22811) and TEJAS RAJ EXP (22823).
Bhubaneswar to Gaya TEJAS RAJ EXP (20817) departs from Bhubaneswar station (BBS) at and arrives Gaya Jn station (GAYA) at . This train has 11 stoppages. Bhubaneswar to Gaya rajdhani fare is Rs.3780 in First AC, Rs.2320 in Second AC and Rs.1720 in Third AC for this train which includes meal charges also.
Bhubaneswar to Gaya TEJAS RAJ EXP (22811) departs from Bhubaneswar station (BBS) at and arrives Gaya Jn station (GAYA) at . This train has 10 stoppages. Bhubaneswar to Gaya rajdhani fare is Rs.3285 in First AC, Rs.2020 in Second AC and Rs.1515 in Third AC for this train which includes meal charges also.
Bhubaneswar to Gaya TEJAS RAJ EXP (22823) departs from Bhubaneswar station (BBS) at and arrives Gaya Jn station (GAYA) at . This train has 10 stoppages. Bhubaneswar to Gaya rajdhani fare is Rs.3555 in First AC, Rs.2190 in Second AC and Rs.1650 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. 1 duronto train runs from Bhubaneswar to Gaya - DURONTO EXPRESS (12281).
Bhubaneswar to Gaya DURONTO EXPRESS (12281) departs from Bhubaneswar station (BBS) at and arrives Gaya Jn station (GAYA) at . This train has 3 stoppages. Bhubaneswar to Gaya duronto fare is Rs.3005 in First AC, Rs.1785 in Second AC, Rs.1280 in Third AC and Rs.475 in Sleeper for this train which includes meal charges also.