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. This train formerly ran as a Ajmer–Hazrat Nizamuddin Duronto Express but due to poor demand was converted to a Jan Shatabdi Express.