Indian Railways expanded the Kavach 4.0 automatic train protection system on high-density rail routes. Kavach uses GPS, RFID, and data communication to automatically apply brakes and prevent collisions, representing India's indigenous signalling technology for railway safety.
Indian Railways Expands Kavach 4.0 Safety System on High-Density Routes
AQuick answer
Kavach 4.0 expanded on high-density routes; uses GPS, RFID for automatic collision prevention.
Key facts
- Indian Railways expanded Kavach 4.0 automatic train protection system on high-density rail routes.
- Kavach uses GPS, RFID, and data communication technologies.
- The system automatically applies brakes to prevent collisions.
- Kavach is India's indigenous signalling technology for railway safety.
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The Japan-India Joint Vision for the Next Decade lays out how many broad directions or lines of effort?
Explanation · Correct answer D
The official Joint Vision states that Japan and India laid out eight all-nation lines of effort for the next decade under their Special Strategic and Global Partnership. Therefore, the correct answer is eight.
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Frequently asked questions
What is Kavach 4.0 and where has it been commissioned?
Kavach 4.0 is Indian Railways' indigenous Automatic Train Protection system. It has been commissioned on 1,452 route kilometres covering high-density Delhi-Mumbai and Delhi-Howrah routes.
What are the major improvements in Kavach 4.0?
PIB lists increased location accuracy, improved signal-aspect information in bigger yards, station-to-station Kavach interface on optical fibre cable, and direct interface with existing electronic interlocking systems.
How much have consequential train accidents declined in India since 2014-15?
PIB reported that consequential train accidents declined from 135 in 2014-15 to 14 in 2025-26 up to February 28, 2026, about 90% lower.
How does Kavach help prevent unsafe train operation?
Kavach aids the loco pilot in keeping trains within specified speed limits and automatically applies brakes if the loco pilot fails to do so.
What is Signal Passing at Danger and how does Kavach address it?
Signal Passing at Danger occurs when a train passes a stop signal. Kavach uses trackside and onboard systems with communication links to warn and brake automatically when required.
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