|Current operator(s)||Northeast Frontier Railway|
|Distance travelled||2639 km|
|Average journey time||56 hours and 20 mins|
|Service frequency||Bi Weekly|
|Class(es)||AC 2 Tier (2A), AC 3 Tier (3A), Sleeper (SL)|
|Track gauge||Broad Gauge|
|Operating speed||46 km/h|
Train no. 15904 is from Chandigarh to Dibrugarh.
train no. 15903 is from Dibrugarh to Chandigarh.
The train leaves Chandigarh (CDG) on every Wednesday at 23:15 hours and reaches Dibrugarh (DBRG) at 6:15 hours every Sunday. 
The train 15903 travels from Dibrugarh to Chandigarh and on the first day itself the train reaches Guwahati Railway Station, Paltan Bazaar, Guwahati at 07:35 pm. After a major 25 minutes stop, it recommences its journey to Chandigarh at 08:00 pm.
The 15904 travels from Chandigarh to Dibrugarh which enters Guwahati Railway Station at 07:30 pm the third day. It restarts its journey to Dibrugarh at 07:55 pm, after standing for 25 minutes at Guwahati.
- "15903 Dibrugarh to Chandigarh". indiarailinfo.com. Retrieved 2015-02-04.
- "15904 Chandigarh to Dibrugarh". indiarailinfo.com. Retrieved 2015-02-04.