Continuous rain began Monday morning due to a meteorological low pressure area.
Haldia recorded the highest rainfall of 134 millimetres in 24 hours.
Major roads in Kolkata, Salt Lake, and Howrah were flooded, disrupting travel.
Traffic jams occurred as vehicles struggled to move through water‑filled streets.
Forecasts call for more very heavy rain in several districts in the coming days.
Rainfall totals reached up to 134 millimetres in Haldia, with several other towns receiving over 110 millimetres.
Water accumulated on roads, causing waterlogging and significant traffic congestion during the morning rush hour.
The India Weather Service predicts further extremely heavy rain in nearby districts later this week.
Want to learn even more? Click here to read the full story!