Udaya Devi (Sinhala: උදය දේවි, Princess/Queen of the Rise/Morning) is an Express train that runs between Colombo Fort and Batticaloa in Sri Lanka.

The Udaya Devi is one of three trains that runs between Colombo Fort and BatticaloaThe other trains are Pulathisi Intercity train and Night mail train that runs between Colombo and Batticaloa.

Batticaloa-bound train departs from Colombo at 6.05 a.m. while Colombo-bound train departs from Batticaloa at 6:00 a.m.

This train offers two classes. (During the ICF coach trials, the train also offered first class accommodations, which included entertainment screens and air conditioning)

The Udaya Devi runs on the Main line from Colombo Fort to Polgahawela Junction, from there, it turns to the Northern line and then does switchback from Maho Junction, it then runs the entire Batticaloa line.

There are 34 stops when going to Colombo, While there is 35 stops going to Batticaloa.

The Udaya Devi makes a longer stop at Maho Junction, with an average of 20 minutes, passengers can use this opportunity to use the facilities at the station or to purchase snacks and beverages. This is greater compared to other stations which have an average stop time of 2 to 5 minutes. This extended stop is necessary for the recoupling of the engine, which moves from the front of the train to the back. Following this, the train reverses direction and continues its journey all the way to Colombo or Batticaloa.

Udaya Devi also makes also makes an extended stop at Galoya Junction as well, this is due to the fact that some passengers can get the connecting train from Galoya Junction to Trincomalee.