Defence & Security 24 September 2026 · Event date: 23 September 2026

Indian Railways Commissions KAVACH 4.0 for the First Time on South Central Railway, Marking a Major Milestone in Railway Safety

Indian Railways Commissions KAVACH 4.0 for the First Time on South Central Railway, Marking a Major Milestone in Railway Safety
Official visual from the source release · Source: Press Information Bureau

Indian Railways has successfully commissioned KAVACH Version 4.0 for the first time on the South Central Railway over a 108 Route Kilometre section in Telangana. This upgraded indigenous Automatic Train Protection (ATP) system brings advanced safety features, increased location accuracy, and improved reliability for train operations. The development marks a major milestone toward the large-scale nationwide deployment of KAVACH across the Indian Railways network.

Why It Matters

This press release is relevant for candidates preparing for competitive exams like UPSC, railway recruitment examinations, and state-psc tests, as it covers major technological advancements, infrastructure milestones, and safety initiatives in Indian Railways.

UPSCRailway / RRBSSCState PSC

In Simple Words

Indian Railways has successfully commissioned KAVACH Version 4.0 for the first time on the South Central Railway. The upgrade covers 108 Route Kilometres between Malkajgiri and Kamareddi on the Hyderabad Division in Telangana, building upon experience gained from earlier deployments of Version 3.2.

KAVACH is an indigenously developed Automatic Train Protection system designed to prevent collisions, avoid Signal Passing at Danger, and assist loco pilots by automatically applying brakes when necessary. Version 4.0 introduces enhanced features such as increased location accuracy, direct electronic interlocking integration, and station-to-station communication via optical fibre cables.

Key Points

  • Indian Railways commissioned KAVACH Version 4.0 for the first time on South Central Railway.
  • The upgrade is completed over 108 Route Kilometres on the Malkajgiri-Kamareddi section of Hyderabad Division in Telangana.
  • KAVACH Version 3.2 was previously deployed over 1,465 Route Kilometres on South Central Railway.
  • KAVACH is an indigenously developed Automatic Train Protection (ATP) system.
  • Key improvements in KAVACH 4.0 include increased location accuracy and station-to-station OFC interface.
  • KAVACH requires Safety Integrity Level-4 (SIL-4) safety certification.
  • Implementation involves Station KAVACH, RFID tags, telecommunication towers, Optical Fibre Cables, and Loco KAVACH.
  • KAVACH helps prevent Signal Passing at Danger and controls train speed in critical situations.

Exam Angle

System version
KAVACH Version 4.0
Zone of initial commissioning
South Central Railway (SCR)
Route section covered
Malkajgiri-Kamareddi section of Hyderabad Division
Safety certification level
Safety Integrity Level-4 (SIL-4)

𝕏 Official Update

A. Malkajgiri-Kamareddi section of Hyderabad Division over 108 Route Kilometres

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