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 Satya Sai P Nilayam to Balharshah - KSR Bengaluru Hazrat Nizamuddin Rajdhani Special (02691) and KSR Bengaluru Hazrat Nizamuddin Rajdhani Express (22691).
Satya Sai P Nilayam to Balharshah KSR Bengaluru Hazrat Nizamuddin Rajdhani Special (02691) departs from Satya Sai P Nilayam station (SSPN) at and arrives Balharshah station (BPQ) at . This train has 7 stoppages. Satya Sai P Nilayam to Balharshah rajdhani fare is Rs.3455 in First AC, Rs.1460 in Third AC and Rs.2045 in Second AC for this train which includes meal charges also.
Satya Sai P Nilayam to Balharshah KSR Bengaluru Hazrat Nizamuddin Rajdhani Express (22691) departs from Satya Sai P Nilayam station (SSPN) at and arrives Balharshah station (BPQ) at . This train has 8 stoppages. Satya Sai P Nilayam to Balharshah rajdhani fare is Rs.3700 in First AC, Rs.1660 in Third AC and Rs.2245 in Second AC for this train which includes meal charges also. Although Banglore Rajdhani is not the fastest train on this route, but is definitely a favourite choice due to its brand image. Earlier this Rajdhani used to run as train number 22691/2 five days a week and as train number 22693/4 on remaining 2 days a week. But train number 22693/4 has been discontinued and train number 22691/2 is extended to all days of the week effective July 02, 2017. This is the only Rajdhani that has seen numerous changes in days of operations right from the start. Now it has been settled down with operating all days a week.