773/774) is an intercity train which runs between Dhaka (capital of Bangladesh) and Sylhet (north-eastern major city).

Kalni Express was conceived to be the non stop train of Dhaka-Sylhet route of Bangladesh Railway but it has since lost that status.

Kalni Express made its inaugural run on 15 May 2012 with a view to meet demands of increasing passengers of Dhaka-Sylhet route .

The train runs between Dhaka and Sylhet district while touching other districts like Kishoreganj, Brahmanbaria, Habiganj and Maulavibazar.

In return trip, it departs Sylhet at 06:15 AM and arrives Dhaka at 01:00 PM.