Mumbaiâs Central Railway uses drones to detect threats 
To ensure a hassle-free monsoon for passengers, Mumbaiâs Central Railway (CR) is using drones to survey the mountain pass at the Western Ghats on the Mumbai-Pune and the Mumbai-Nashik route. "We are constantly inspecting the areas around the ghats to identify threats of falling boulders,â SK Jain, Divisional Railway Manager, Mumbai CR said. nn