As heavy rain sets in, Central Railway (CR) has switched to its most reliable radio technology to manage the difficult ghat sections of Khandala and Igatpuri — leaky cable communication or radio communication. This technology is normally used in underground mining and caves.

"Real-time communication inside the deep tunnels has been the issue for train drivers and guards. Even a delay of a minute could lead to disasters. Leaky feeders or radiating cables have been proved to be very useful for this. This technology has been used in the Alps has been yielded great results," a senior signalling engineer said.