Kolkata Heavy Rainfall: Rain wreaks havoc in Kolkata, 7 dead so farHeavy rains in Kolkata cause severe waterlogging, killing 7. IMD warns of more rain in South Bengal. Heavy Rainfall Paralyses KolkataKolkata: Continuous heavy rains have severely disrupted life in Kolkata, the capital of West Bengal. Heavy waterlogging has occurred in many parts of the city, completely disrupting traffic, metro, and train services. Due to this, heavy to very heavy rainfall is expected in several districts of South Bengal.