Of the major ports in India, Diamond Harbour, located at the mouth of the Hooghly, has recorded the maximum sea level increase, according to data tabled in the Lok Sabha. While recent studies reveal that sea level rise has been estimated to be 1.3 mm/year along India’s coasts during the last 40-50 years, at Diamond Harbour the rise was almost five times higher at 5.16 mm per year.
