It is the Rajdhani Express series train on the New Delhi–Jammu Tawi section.

The 12425 / 12426 Rajdhani Express is the fastest train on the Jammu Tawi–New Delhi section.

It covers a distance of 577 kilometres in each direction however it takes 9 hours 15 mins when operating as train number 12426 at an average speed of 75 km/h (excluding halts) while its return journey takes 9 hrs at an average speed of 74 km/h (excluding halts).

[1] It has 3 halts in either direction at Kathua,Pathankot Cantonment railway station, and Ludhiana.

Jammu Rajdhani Express runs with Ghaziabad-based WAP-7 electric loco.Earlier before electrification this train was hauled by a WDM3A or WDM3D locomotive.