Permission of ________ is required to work the material train in the night. A. AOM B. DOM C. DRM D. None of these

AOM
DOM
DRM
None of these

The correct answer is: C. DRM

The DRM (Divisional Railway Manager) is the head of a railway division. He/She is responsible for the overall administration and operation of the railway division. The DRM has the authority to grant permission to work the material train in the night.

The AOM (Assistant Operating Manager) is responsible for the day-to-day operations of a railway station. He/She is not authorized to grant permission to work the material train in the night.

The DOM (Divisional Officer of Mechanical) is responsible for the maintenance of the railway track and rolling stock. He/She is not authorized to grant permission to work the material train in the night.

None of the other options are correct.