Dibrugarh–Kolkata Superfast Express

Dibrugarh–Kolkata Express was a weekly Superfast train that connects Dibrugarh, known as the "Tea City of India", in eastern Assam and Kolkata, West Bengal. The train runs between Dibrugarh station (Location: Banipur, Station Code: DBRG) of N F Railway and Kolkata station (Chitpur, Station Code: KOAA) of Eastern Railway. This train was announced in the Railway Budget 2012/2013. The inaugural run took place on 4 September 2012, from Dibrugarh. The train numbered as 12525/12526; 12526 covers a distance of 1356 km in 24 hours and 50 mins with an average speed of 54 km/h from Dibrugarh to Kolkata, and on its return journey 12525 covers the distance in 24 hours and 50 mins with an average speed of 54 km/h.

The train departs Dibrugarh every Tuesday at 14:10 hours to reach Kolkata Wednesday at 15:00 hours, and on return journey it departs Kolkata every Wednesday at 21:40 hours to reach Dibrugarh at 22:30 hours Friday. This train was cancelled during the COVID-19 pandemic and was not re-started after the resumption of the train services.

Route
WEST BENGAL
 * 1) Kolkata (Starts)
 * 2) Bandel Junction
 * 3) Nabadwip Dham
 * 4) Katwa
 * 5) Azimganj Junction
 * 6) Malda Town
 * 7) New Jalpaiguri (Siliguri)
 * 8) New Cooch Behar Junction

ASSAM
 * 1) Fakiragram Junction
 * 2) New Bongaigaon Junction
 * 3) Rangiya Junction
 * 4) Tangla
 * 5) Udalguri
 * 6) New Missamari
 * 7) Rangapara North Junction
 * 8) Viswanath Charali
 * 9) Gohpur
 * 10) Harmuti
 * 11) North Lakhimpur
 * 12) Gogamukh
 * 13) Dhemaji
 * 14) Dibrugarh (Ends)

Coach composition
The train has LHB rakes with max speed of 110 kmph.


 * 1 AC II Tier
 * 3 AC III Tier
 * 11 Sleeper coaches
 * 1 AC hot buffet car
 * 2 General
 * 2 Generator cum Luggage/parcel van

Rake sharing
15906 / 15905 – Dibrugarh–Kanyakumari Vivek Express

Traction
It is hauled by WDP-4D/WDP-4B class of locomotive of Diesel Loco Shed, Siliguri from Dibrugarh to New Cooch Behar. From there onwards it is hauled by WAP-7 Locomotive of Electric Loco Shed, Howrah till Kolkata.