The 15617/15618 Guwahati–Dullabcherra Express is an Express train belonging to Northeast Frontier Railway zone of Indian Railways that runs between Guwahati and Dullabcherra via old Karimganj Junction in the Indian state of Assam.

[2] It is currently being operated with 15617 DN / 15618 UP train numbers on a tri-weekly basis.

[4][5] This train was inaugurated and flagged off on 19 October 2023, from Guwahati by Himanta Biswa Sarma, chief minister of Assam.

[8][9] The 15617 DN/Guwahati–Dullabcherra Express has an average speed of 36 km/h and covers a distance of 410 km in 11h 30m.

The 15618 UP/Dullabcherra–Guwahati Express has an average speed of 35 km/h and covers a distance of 410 km in 11h 50m.