Calcutta, The cash on the condition of West Bengal, is situated about the Hooghly River about 80 miles north with the Bay of Bengal. Since the town is created on in close proximity to sea-amount marshland, Calcutta and its suburbs put up with very poor drainage and periodic flooding - https://www.dailypioneer.com/2025/page1/pm-mann-ki-baat-with-shukla.html