The New Delhi–Jammu Tawi Rajdhani Express connects New Delhi and Jammu Tawi. It is the Rajdhani Express series train on the New Delhi–Jammu Tawi section. Its number is 12425 / 12426.

This train was introduced on 10 July 1994. The 12425 / 12426 Rajdhani Express is the fastest train on the Jammu Tawi–New Delhi section. It used to run weekly once until 2009. In 2009 its frequency was increased from weekly to daily. It operates daily as train number 12426 from Jammu Tawi to New Delhi railway station and as train number 12425 in the reverse direction. 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).Average speed of this train (including halts) is 69 km/h for both jammu tawi to new delhi rajdhani and for new delhi to jammu tawi rajdhni express

It has 3 halts in either direction at Kathua,Pathankot Cantonment railway station, and Ludhiana. It is the shortest Rajdhani Express in terms of distance and time. It is also the only Rajdhani Express that travels north from Delhi.

This train used to run with ICF coach before 15 June 2013.It now runs with LHB rakes. This train comprises all AC LHB rakes. Jammu Rajdhani Express runs with Ghaziabad-based WAP-7 Tuglakabad-based WAP-7 electric loco.Earlier before electrification this train was hauled by a WDM3A or WDM3D locomotive.

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  12425 Jammu Rajdhani Express with Ghaziabad Junction WAP-7
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  12425 Jammu Rajdhani Express – AC 1st Class coach
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  12425 Jammu Rajdhani Express – AC 2 tier coach
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  12425 Jammu Rajdhani Express – Pantry car coach
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  12425 Jammu Rajdhani Express – AC 3 tier coach

• Jammu Mail
• Uttar Sampark Kranti Express
• Jammu Tawi
• Jhelum Express
• Shalimar Express
• Jammu–Baramulla line