Kavach: What makes Indian Railways indigenous world-class tech special
Indian Railways is prioritising Kavach deployment on high-density and highly used network routes, which carry nearly 96% of railway traffic. Now, the next-generation Kavach 5.0 is being developed for suburban rail operations with an aim to support higher train frequencies.
Indian Railways has developed an indigenous Automatic Train Protection (ATP) system called Kavach, designed to enhance railway safety by providing real-time information to train operators. Unlike previous reliance on human judgment, Kavach adds an automated safety layer through continuous monitoring and intervention. It achieves this by utilizing secure Ultra High Frequency radio antennas and track-mounted RFID tags to relay precise train location data to locomotives, enabling them to maintain safe distances and speeds.
Kavach has been certified to the highest internationally recognised safety standard, Safety Integrity Level 4 (SIL-4), and is significantly more cost-effective than comparable global systems like the European Train Control System (ETCS-2), costing around Rs 50 lakh per kilometre compared to ETCS's estimated Rs 1.5-2 crore per kilometre. This affordability, coupled with its open architecture, makes Kavach a strategic safety platform, capable of significantly reducing accident risks arising from human error.
The system's deployment is prioritized on high-density and highly used railway routes, benefiting nearly 96% of railway traffic. The next-generation Kavach 5.0 is being developed for suburban rail operations to support higher train frequencies. Despite its numerous advantages, challenges in implementation remain, as the success of any such technology depends on local operating realities and robust execution.
Written by urgent.news from Times of India's reporting — not their text. Machine-written — may contain errors; check the original before relying on it.
