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Story summary
- Indian Railways commissioned Kavach Version 4.0 on South Central Railway.
- The system now operates over 108 km on the Malkajgiri-Kamareddi section of the Hyderabad Division.
- Kavach 4.0 provides increased location accuracy for more precise train positioning.
- The upgrade adds station-to-station communication through optical-fibre cable.
- It integrates directly with existing electronic interlocking systems.
