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Indian Railways deploys upgraded train protection system Kavach 4.0
Why in News?
Indian Railways deploys upgraded train protection system Kavach 4.0
South Central Railway has deployed the upgraded Kavach 4.0 automatic train protection system across a 108-km stretch of the Hyderabad division.
Why it matters: asked in UPSC 2025; factual, Prelims-type
What you need to know
2 min read
South Central Railway has become the first zone to officially deploy Kavach 4.0, an upgraded version of India's indigenous Automatic Train Protection system, across a 108-km stretch of the Hyderabad division.
Kavach is designed to prevent train collisions by automatically applying brakes if a driver fails to observe speed restrictions or signals.
The 4.0 version is a refined, interoperable iteration meant to be rolled out more widely across the Indian Railways network.
Sources: Topper IAS editorial (PIB / The Hindu / Indian Express)
Key facts
Remember these
- Kavach 4.0
- Automatic Train Protection
- South Central Railway
- railway safety
Prelims · Mains
How the exam will ask it
Prelims
- Kavach 4.0, Automatic Train Protection, South Central Railway, railway safety
Mains
Use as an example in GA answers (GS Paper III - Infrastructure: Railway Safety Technology).
PYQ connection
A question UPSC has already asked on this
Consider the following statements: I. Indian Railways have prepared a National Rail Plan (NRP) to create a 'future ready' railway system by 2028. II. 'Kavach' is an Automatic Train Protection system developed in collaboration with Germany. III. 'Kavach' system consists of RFID tags fitted on track in station section. Which of the statements given above are not correct?
- I and II only
- II and III only
- I and III only
- I, II and III
Show answer
Answer: D
Why this matters: today's issue is directly connected to a concept UPSC has already tested. Read the story with this question in mind.
Practise this PYQ →Quick recall
Answer before you reveal
Kavach, recently deployed in its upgraded 4.0 version by South Central Railway, is primarily designed to do which of the following?
- Generate electricity for railway electrification
- Automatically apply brakes to prevent train collisions
- Track parcel and freight movement digitally
- Provide high-speed internet connectivity on trains
Show answer
Answer: B — Automatically apply brakes to prevent train collisions is correct: Kavach is India's indigenous Automatic Train Protection system, and its upgraded 4.0 version has now been deployed by South Central Railway across a 108-km stretch of the Hyderabad division.
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