What is Kavach, deployed on Indian Railways?

An indigenously developed Automatic Train Protection (ATP) system. The correct answer is an indigenously developed Automatic Train Protection system. It needs SIL-4 certification, the highest safety level. It brakes the train if the Loco Pilot fails to act. A signalling display app is wrong because Kavach is a full system of track, station and loco equipment. A freight wagon tracking system is wrong because Kavach protects running trains from over-speed and collision. A ticket fraud tool is wrong because it has nothing to do with booking. Memory hook: Kavach is the shield on the track. Read more: Kavach: India’s Automatic Train Protection System, Indian Railways.

As on 13 July 2026, on about how many route km had Kavach Version 4.0 been commissioned?

About 2,490 route km. The correct answer is about 2,490 route km. The Lok Sabha reply of 22 July 2026 gives this figure as on 13 July 2026. 1,306 route km is wrong because that was the figure on 30 January 2026. 1,452 route km is wrong because that was the figure in March 2026. 2,200 route km is wrong because PIB used it in February 2026 for all versions together. Memory hook: 1,306 in January, 1,452 in March, 2,490 in July. Read more: Kavach: India’s Automatic Train Protection System, Indian Railways.

Which improvement came with Kavach Version 4.0?

A direct interface to the existing Electronic Interlocking system. The correct answer is a direct interface to the existing Electronic Interlocking system. Version 4.0 also improved location accuracy, signal information in bigger yards and the station-to-station link on optical fibre. Field trials are wrong because they began in February 2016. Adoption as the National ATP system is wrong because that came in July 2020. Approval of three firms is wrong because that was in 2018-19 for Version 3.2. Memory hook: Version 4.0 plugs into interlocking. Read more: Kavach: India’s Automatic Train Protection System, Indian Railways.

When did RDSO approve Kavach Version 4.0?

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When did RDSO approve Kavach Version 4.0?

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