Overview

• On July 30, Kavach 4.0 went live over the 324 km Mathura–Kota section of the busy Delhi–Mumbai corridor, marking its inaugural operational deployment.
• Approved in May 2025 after RDSO clearance, the upgrade combines RFID tags, optical-fibre networks and telecom towers to continuously track train positions and trigger automatic braking.
• Conceived under the Atmanirbhar Bharat initiative, Kavach development began in 2015 with pilot certification in 2018 and full domestic manufacturing of all components.
• Rollout infrastructure to date includes 5,856 km of fibre-optic cable, 619 telecom towers, equipment at 708 stations, 1,107 fitted locomotives and trackside systems across 4,001 route km.
• More than 30,000 railway personnel have been trained and IRISET has partnered with 17 AICTE-approved colleges, with a nationwide six-year expansion planned under a ₹1 lakh crore annual safety budget.