The 12455 / 56 Delhi Sarai Rohilla–Bikaner Superfast Express is a Superfast Express train belonging to Indian Railways – Northern Railway zone that runs between Delhi Sarai Rohilla and Bikaner Junction in India.

It does not carry a pantry car [2] As is customary with most train services in India, coach composition may be amended at the discretion of Indian Railways depending on demand.

The 12455 / 56 Delhi Sarai Rohilla–Bikaner Junction Superfast Express covers the distance of 805 km (500 mi) in 14 hours 35 mins averaging 55.20 km/h (34 mph) in both directions.

As the average speed of the train is above 55 km/h (34 mph), as per Indian Railways rules, its fare includes a Superfast surcharge.

This train is different from the 12458/57 Bikaner–Delhi Sarai Rohilla Superfast Express which is operated by North Western Railways and runs via Churu Junction utilising ICF coach.