Maybe this will answer your question. This is a photo taken a couple of days back after 2-3 hrs of rain. This phot is of sion station.all the railway tracks are submerged in the water which results in delay of trains or cancellations. read more
If the trains are run as fast trains from Virar stopping at Vasai, Bhayandar, Borivali, Andheri, Bandra, Dadar Mumbai Central and Churchgate and same way fast trains originating from Borivali to Churchgate must run only at Andheri, Bandra, Dadar, Mumbai Central and Churchgate. read more