Which one of the following pairs is not correctly matched? Unit of Indian Railway Location
- ARailway Staff College Vadodara
- BCentral Organization for Railway Electrification VaranasiCorrect
- CWheel and Axle Plant Bangalore
- DRail-coach Factory Kapurthala
Explanation
The Central Organization for Railway Electrification (CORE) is headquartered in Prayagraj (formerly Allahabad), not Varanasi. Varanasi is the location of the Banaras Locomotive Works (BLW).
The other pairs are correctly matched: Option A: Railway Staff College (now National Academy of Indian Railways) is in Vadodara. Option C: The Wheel and Axle Plant (Rail Wheel Factory) is in Yelahanka, Bangalore. Option D: The Rail Coach Factory is in Kapurthala.

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