The 21903 / 21904 Bandra Terminus - Bikaner AC Superfast Express is an air-conditioned express train of the Western Railway zone in Indian Railways. It runs on a weekly basis between station in Mumbai and station in Bikaner, passing through the states of Maharashtra, Gujrat and Rajasthan. It was inaugurated on 22 May 2025.
The train runs with 22 Linke-Hoffman Busch coaches; of which 18 are AC 3-Tier Economy coaches (3E), 2 are AC Chair Car (CC) coaches and 2 are Generator cars (EOG). It has a single rake, which it shares with the Bandra Terminus-Hazrat Nizamuddin Yuva Express. The primary maintenance is executed at .
Coach position of 21903 (ex. Bandra Terminus)
Coach position of 21904 (ex. Bikaner)
Passengers are advised to check the coach position indicator at the station before boarding.
Since the route is fully electrified, the train is hauled by a Vadodara based WAP 7 locomotive end to end.
The train travels the entirety of the Ahmedabad-Mumbai main line, after which it takes the Jaipur-Ahmedabad line till . From there, it follows the Marwar Junction-Munabao line till , a non-stopping station. From here, the train diverges towards and then follows the Jodhpur-Bathinda line till its destination. The stoppages are:-