The engine of the Rockfort Express derailed when it was on its way to the nearby railway station junction from the workshop tonight, officials said.
They said any snag in the engine due to the derailment would be set right in half-an-hour and it would be attached to the rake and the express train bound for Chennai from here would leave after a delay of 30 to 40 minutes.
Officials said all north bound trains from south would be delayed due to the derailment.
