Overview

• Overnight downpours left large parts of the city under water, with Kolkata Municipal Corporation gauges logging extreme local totals such as 332 mm at Garia Kamdahari and 285 mm at Jodhpur Park.
• Metro services were suspended between Shahid Khudiram and Maidan on the Blue Line, with truncated operations elsewhere, as Eastern Railway halted Sealdah south services and curtailed several other routes.
• West Bengal chief minister Mamata Banerjee called the rainfall unprecedented as officials reported at least seven electrocution deaths and authorities closed many schools.
• Airport operations were disrupted, with officials citing at least 30 flight cancellations and 42 delays, and airlines urging passengers to check status and allow extra travel time.
• The IMD kept yellow to orange alerts in place, forecast more heavy rain through Wednesday, advised caution at sea, and signaled another low-pressure area could form over the Bay of Bengal around September 25.