Q1. Over how many route km has Kavach 4.0 been commissioned across the Delhi-Mumbai and Delhi-Howrah corridors?
Explanation
Indian Railways' indigenous Automatic Train Protection system Kavach 4.0 has been successfully commissioned across 1,452 route kilometres on the high-density Delhi-Mumbai and Delhi-Howrah corridors. Consequential train accidents declined from 135 in 2014-15 to 14 in 2025-26 (up to Feb 2026), a ~90% reduction.
