Kavach 'Train Collision Avoidance System' - Railway Electronic Company's Stock Rally on Friday; Gains Over 260 per cent in Just 1 Year! Kavach 'Train Collision Avoidance System' - Railway Electronic Company's Stock Rally on Friday; Gains Over 260 per cent in Just 1 Year! The company’s shares have delivered an impressive return of over 1000 per cent in the past 3 years only. Rakesh Deshmukh / Sunday, July 7, 2024 / Article rating: 3.6 FIIs and DIIs increased their stake in the company as per the recent update.