Why is it in the news?
Indian Railways achieved a record one-day Kavach 4.0 rollout.
Expands indigenous train protection coverage.
Category: Science and Technology
Important Points:
● 472.3 route km Kavach 4.0 commissioned in one day
● Highest-ever one-day and one-month rollout
● Total coverage reached 1,306.3 route km
● Spread across five railway zones
● Kavach is indigenous Automatic Train Protection system
● Earlier called TCAS, started in 2012
● Kavach 4.0 is most advanced version
● Uses GPS, microprocessors and radio communication
● Prevents SPAD and overspeeding automatically
● SIL-4 safety standard approved by RDSO