Heavy rains today hit normal life in Kolkata with water logging in most parts of the city causing suspension of transport, even as a well-marked low pressure developed into a depression over the Bay of Bengal. Officials said, the city recorded 25 mm rainfall since last night till 10 am today. Rainwater seepage into the houses were reported from many places in the city lashed by intermittent heavy to very heavy rain since last night. Meanwhile, MeT officials said the depression was lying 80 km east of Kolkata and it might develop into a deep depression before passing over east of Bangladesh in the next 24 hours. The weatherman forecast heavy to very heavy rain in the entire Gangetic belt of West Bengal in the next 48 hours. Fishermen have been asked not to venture into the sea in the southern coastal belt of East Midnapore and South 24-Parganas districts as the sea would remain rough. Tourists in coastal sea resort of Digha have been asked not to move closer to the sea.