People's woes were compounded by the high tide that prevented natural drainage of water into the sea.
Meteorological department sources said Mumbai recorded copious rain of 65 mm in just three hours.
Thousands of vehicles were stranded on arterial roads in Lower Parel, Dadar, Kurla, Andheri, Khar West, Ghatkopar, Sion and Hindmata areas that were under knee to waist deep water for several hours, many having broken down.
Trains were running late or stopped on all three suburban railway lines--Central, North and Harbour lines--as tracks were submerged at several places.
Commuters were seen standing under knee deep water on the steps of buses in low lying areas like Parel. Traffic crawled at snail's pace on important roads, including the Eastern and Western Express Highway, Sion-Panvel highway and LBS Marg.
"The metropolis has received heavy rainfall since last night. Between 8.
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