The 12065 / 12066 Ajmer–Delhi Sarai Rohilla Jan Shatabdi Express is a Superfast Express train of the Jan Shatabdi category belonging to Indian Railways - North Western Railway zone that runs between Ajmer Junction and Delhi Sarai Rohilla in India.

It operates as train number 12065 from Ajmer Junction to Delhi Sarai Rohilla and as train number 12066 in the reverse direction, serving the states of Delhi, Haryana & Rajasthan.

As is customary with most train services in India, coach composition may be amended at the discretion of Indian Railways depending on demand.

The 12065 Ajmer–Delhi Sarai Rohilla Jan Shatabdi Express covers the distance of 386 km (240 mi) in 5 hours 55 mins (55.14 km/h) and in 6 hours 5 mins as 12066 Delhi Sarai Rohilla–Ajmer Jan Shatabdi Express (56.49 km/h).

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.