How many systems of working in Indian Railways for train operation? A. 6 B. 7 C. 8 D. 9

The correct answer is 7. The 7 systems of working in Indian Railways for train operation are:

1. Block system: This system ensures that only one train is allowed on a section of track at a time.
2. Signalling system: This system provides information to train drivers about the safe path ahead.
3. Telegraph system: This system allows communication between train stations and control offices.
4. Power supply system: This system provides electricity to the trains and other railway equipment.
5. Track maintenance system: This system ensures that the tracks are in good condition and safe for train operation.
6. Rolling stock maintenance system: This system ensures that the trains are in good condition and safe for operation.
7. Personnel management system: This system ensures that the right people are in the right place at the right time to operate the railway.

Each of these systems is essential for the safe and efficient operation of the Indian Railways.