Kolkata–Guwahati Garib Rath Express
The Kolkata–Guwahati Garib Rath Express is a bi-weekly Superfast Garib Rath Express, that runs between Guwahati (GHY) to Kolkata (KOAA, Chitpur), operated by NF Railway zone of Indian Railways. It falls into the category of Garib Rath-type trains meaning poor man's chariot. The rakes of this train belong to NF Railway and this is the only Garib Rath of the zone. The train travels through the states of Assam, West Bengal and Bihar. Numbered as 12517/12518. 12517 departs from Kolkata (KOAA) terminus on every Thursday and Sunday at 21:40 hours and  arrives Guwahati every Friday and Monday at 15:55 hours. The train stops at Bandel Jn, Katwa, Azimganj, Malda Town, Kishanganj, New Jalpaiguri, New Alipurduar, Kokrajhar, New Bongaigaon, Goalpara Town en route Guwahati. It covers a distance of in 18 hours and 15 minutes with an average moving speed of . 12518 departs Guwahati on every Wednesday and Saturday at 21:00 hours and arrives at Kolkata Terminus at 15:00 hours on every Thursday and Sunday covering a distance of 1,003 km in 18 hours with an average moving speed of 56 km/h. It stops at Goalpara Town, New Bongaigaon, Kokrajhar, New  Alipurduar, New Jalpaiguri, Kishanganj, Malda Town, Azimgunj, Katwa, Bandel Jn en route Kolkata. The train consists of 10 Garib Rath three-tier AC coaches and two generator cars. Total number of coaches is 12. The train is hauled by diesel loco for the entire journey. Usual links are WDM-3D from Howrah shed or WDM-3A from Andal/HWH/MLDT/BWN shed. The train has received a good patronage and is considered as an important train for the route. But now WDP-4D from HWH is onlink/Regular link of this train. Major halts. The important intermediate stations where the train stops are  as follows- ASSAM BIHAR WEST BENGAL Traction. This train is hauled by Siliguri-based WDP-4 or New Guwahati-based WDM-3A locomotive.