“KAVACH Version 4.0 has been developed, tested and is now being deployed by Indian Railways as an Automatic Train Protection (ATP) system. The latest version incorporates major improvements required to cater to the diverse operational and technological requirements of the Indian Railways network.”
Indian Railways has achieved a significant milestone in railway safety with the successful commissioning of KAVACH Version 4.0 for the first time on South Central Railway (SCR). The upgradation from KAVACH Version 3.2 to Version 4.0 has been successfully completed over 108 Route Kilometres on the Malkajgiri-Kamareddi section of Hyderabad Division.
The latest version incorporates further technological improvements based on the experience gained from the deployment of KAVACH Version 3.2 over 1,465 Route Kilometres on South Central Railway. KAVACH 4.0 brings enhanced safety, advanced technology, higher reliability and safer train operations, and is planned for large-scale deployment across Indian Railways.
KAVACH Version 4.0 has been developed, tested and is now being deployed by Indian Railways as an Automatic Train Protection (ATP) system. The latest version incorporates major improvements required to cater to the diverse operational and technological requirements of the Indian Railways network.
Key improvements in KAVACH 4.0 include:
Increased location accuracy, enabling more precise train positioning.
Improved information of signal aspects in bigger yards, strengthening situational awareness during train operations.
Station-to-station KAVACH interface through Optical Fibre Cable (OFC) for enhanced communication and system integration.
Direct interface with existing Electronic Interlocking Systems, enabling improved integration with existing signalling infrastructure.
These enhancements make KAVACH 4.0 a significant advancement in the country’s indigenous Automatic Train Protection technology and provide a strong technological foundation for its large-scale deployment across Indian Railways.
Indigenously Developed KAVACH Enhances Train Safety
KAVACH is an indigenously developed Automatic Train Protection system designed to enhance operational safety. The system assists the Loco Pilot in maintaining trains within prescribed speed limits and can automatically apply brakes when required if the Loco Pilot fails to do so.
KAVACH is designed to help prevent Signal Passing at Danger (SPAD), control train speed in critical situations and reduce the risk of collisions. The system also supports safer train operations during inclement weather conditions.
As a highly technology-intensive safety system, KAVACH requires safety certification of the highest order, Safety Integrity Level-4 (SIL-4).
Source: PIB
