| Nanda Devi AC Express | |
| Type: | AC Express |
| Locale: | Rajasthan, Haryana, Delhi, Uttar Pradesh & Uttarakhand |
| Operator: | Northern Railway |
| Start: | (KOTA) |
| Stops: | 11 |
| End: | (DDN) |
| Distance: | 763km (474miles) |
| Journeytime: | 11 hours 45 minutes |
| Frequency: | Daily |
| Class: | AC first class, AC 2 tier, AC 3 tier |
| Seating: | No |
| Sleeping: | Yes |
| Catering: | On-board catering, E-catering |
| Observation: | Large windows |
| Baggage: | Available |
| Otherfacilities: | Below the seats |
| Stock: | LHB coach |
| Trainnumber: | 12401 / 12402 |
| Speed: | 130km/h maximum, 65km/h average including halts. |
The 12401 / 12402 Nanda Devi AC Express train belonging to Indian Railways that runs between & in India. It is a daily service. It operates as train number 12401 from Kota Junction to Dehradun and as train number 12402 in the reverse direction. At first it ran between & Dehradun as train number 12205 & 12206. Since 26 August 2019 it was extended up to Kota Junction, skipping New Delhi. It stops at while following the same route and same timings from to Dehradun.Earlier this train used to run as New Delhi Dehradun AC Express from New Delhi from 25/09/2010 till 07/10/2014 and then was renamed as "Nanda Devi Express".This train used to originate from Hazrat Nizamuddin before 25/09/2010.
The 12401/12402 Nanda Devi AC Express has 2 AC First Class, 4 AC Two Tier, 7 AC Three Tier coaches along with 2 End on generation cars. As with most train services in India, coach composition may be amended at the discretion of Indian Railways depending on demand.
EOG || B7 || B6 || B5 || B4 || B3 || B2 || B1 || A4 || A3 || A2 || A1 || H2 || H1 || EOG
It is a daily train & covers the distance of 763 kilometres in 11 hours 45 minutes as 12401 Nanda Devi AC Express (65 km/h)and in 11 hours 45 minutes as 12402 Nanda Devi AC Express (65 km/h). It has a Superfast surcharge.
The train runs from Kota Junction via,,,,,,,,,, to Dehradun.
It is hauled by a Tughlakabad Loco Shed based WAP-7 electric locomotive on its entire journey.
From 25 August 2019, it operate as 12401 / 12402 Dehradun Kota Nanda Devi AC Express with stoppage at instead of . Before that, it used to run between Dehradun & New Delhi as 12205/12206.