The 12437 / 12438 Secunderabad Rajdhani Express is a Superfast Express train from Indian Railways connecting Hyderabad, the state capital of Telangana and the national capital Delhi.

The train runs from Secunderabad Junction to Hazrat Nizamuddin.

The train departs every Wednesday at 12:45 hrs from Secunderabad and arrives Hazrat Nizamuddin on Thursday at 10:40 hrs.

While from Hazrat Nizamuddin it departs every Sunday at 15:35 hrs and arrives Secunderabad on Monday at 13:35 hrs.

This train runs with LHB rakes.