On 23 September 2025, an intense cloudburst occurred in Kolkata, causing widespread waterlogging and flash floods around the city. The incident caused 9 deaths in Kolkata and 2 deaths in nearby districts, 30 injuries and at least 2 people left missing.[2]
Following the commencement of preparations for Kolkata's most celebrated festival, Durga Puja, a strong cloudburst occurred in the early morning hours of September 23, 2025, causing severe flash floods and damage across the city. At least 9 people were reported dead due to electrocution. Fatalities were reported across different parts of Kolkata, with one death each in Gariahat, Garfa, Ekbalpur, Beniapukur, Shakespeare Sarani, Netajinagar, Haridevpur, Narendrapur and Behala.[3][4]
Meteorological observation
Satellite image showing the Low pressure area of East India of the morning of 23 September 2025
Indian Meteorological Department recorded heavy rainfall throughout the city. The southern and eastern parts of the city experienced the most intense rainfall. The Kolkata Municipal Corporation reported that Garia Kamdahari recorded 332mm of rain in just a few hours. Other areas recorded significant rainfall, including Jodhpur Park with 285mm, Kalighat 280mm, Topsia 275mm, Ballygunge 264mm, Alipore 251mm and Thantania in north Kolkata 195mm.[5] In addition to Kolkata, heavy rainfall affected several surrounding suburban areas and nearby cities. According to a bulletin released by the India Meteorological Department (IMD), Basirhat received 109mm of rainfall and Barrackpore received 71mm of rainfall.[6]
Outcome
Visuals from Bengali media network ABP ANANDA showing waterlogging occurrence in Durga Puja pandals in the morning of 23 September.
Due to extreme rainfall, several famous Durga Puja committee's pandals of Kolkata including Singhi Park, Hatibagan Nabin Pally, Chaltabagan Sorbojonin, Nalin Sarkar Street got damaged. Waterlogging occurred in several pandals including Maddox Square, Tridhara Sammilani, Bullygunge Cultural Association.[7][8]Indian Institute of Engineering Science and Technology, Shibpur, University of Calcutta and Jadavpur University suspended all academic activities on Tuesday as torrential overnight rain paralysed normal life in Kolkata. Train and metro services have been disrupted, and many Durga Puja pandals are damaged across the city.[9] Many roads are closed due to the waterlogging occurred in several busy roads like Eastern Metropolitan Bypass, Central Avenue, Rashbehari Avenue etc. 30 flights got cancelled because of bad weather, Airline companies like Spicejet and Indigo Airlines had issued safety advisories for those passengers who were travelling to or from Kolkata Airport. West Bengal's Chief ministerMamata Banerjee announced the Durga Puja vacation before two days of its scheduled time due to the hazardous weather conditions prevailing in Kolkata.[10]
Kankurgachi Underpass is under the water due to torrential rainfall occurred in the midnight of 23 September.Torrential rainfall caused significant floods in Ballygunge Place, Kolkata.
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