Image Source : PTI/FILE PHOTO Union Railways Minister Ashwini Vaishnaw during inspection of the working of ‘Kavach’—Indian Railways Indigenous Train Protection System. Amid dense fog in northern India, Railway Minister Ashwini Vaishnaw showcased the advanced capabilities of the ‘Kavach’ system, an Automatic Train Protection (ATP) technology developed indigenously. In a post on X, Vaishnav said, “Dense fog outside. Kavach shows the signal right inside the cab. The pilot doesn’t have to look outside for the signal.” What is a ‘Kavach’? Developed by the Ministry of Railways, the Kavach is an ATP system designed to improve train safety and efficiency. Function: The Kavach assists loco pilots by displaying signals in the train and automatically applying the brakes if the pilot fails to do so. Adjustable weather conditions: The system ensures that the train operates smoothly even in extreme weather conditions such as fog. Implementation history: Field testing began in February 2016, and by 2018-19, three companies were approved to deliver Kavach version 3.2 after rigorous testing and safety certification. Effect of Kavach …