It operated as train number 12085 from Guwahati to Dibrugarh and as train number 12086 in the reverse direction serving the states of Assam and Nagaland.
Coaches
The 12085/ 86 GuwahatiDibrugarhShatabdi Express had 6 AC Chair Car and 2 End on Generator coaches. It did not have AC Executive Chair Car Coach or Anubhuti coaches like other Shatabdi Express. Also it did not have a Pantry car coach but being a Shatabdi category train, catering was arranged on board the train.