Indian Railways Commissions KAVACH Version 4.0 for First Time on South Central Railway
- On Wednesday, September 23, 2026, Indian Railways commissioned KAVACH Version 4.0 for the first time on South Central Railway , deploying the upgraded Automatic Train Protection system over 108 Route Kilometres on the Malkajgiri-Kamareddi section of the Hyderabad Division.
- KAVACH functions as an Automatic Train Protection system, helping loco pilots maintain prescribed speed limits and automatically applying brakes when necessary. The system prevents Signal Passing At Danger incidents and reduces collision risks.
- Version 4.0 incorporates increased location accuracy and direct interface with existing Electronic Interlocking Systems, strengthening situational awareness. The system achieves Safety Integrity Level-4 certification and supports safer operations during adverse weather conditions.
- Enhanced communication is facilitated through station-to-station interface via Optical Fibre Cable . Indian Railways developed these improvements based on operational experience from 1,465 Route Kilometres of KAVACH Version 3.2 deployment on South Central Railway.
- Indian Railways plans large-scale deployment of this upgraded safety technology across its entire network. This commissioning represents a significant milestone in expanding advanced Automatic Train Protection capabilities nationwide.
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17 Articles
Indian Railways deploys Kavach 4.0 on Hyderabad Division's Malkajgiri-Kamareddi section
Indian Railways has moved Kavach 4.0 from the testing phase to active operation, commissioning the upgraded Automatic Train Protection (ATP) system on a 108-route kilometre stretch of the Malkajgiri-Kamareddi section within the Hyderabad Division of South Central Railway (SCR). This deployment replaces the previous Version 3.2, which had been installed across 1,465 route kilometres on the SCR network. The transition to Version 4.0 integrates tec…
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Indian Railways commissions KAVACH Version 4.0 for first time on South Central Railway
According to Indian Railways, the latest version incorporates technological improvements based on the operational experience gained from the deployment of KAVACH Version 3.2 across 1,465 Route Kilometres on South Central Railway.
Kavach 4.0: Indian Railways has launched Version 4.0 of the Kavach system used for train safety for the first time in South Central Railway.
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