A deep depression over the Bay of Bengal has brought heavy rains in coastal Tamil Nadu prompting the government to declare a holiday for schools. Met department said, the depression will further intensify into a cyclonic storm and move westwards for some more time and come very close to Sri Lanka coast and then move northwestwards and cross north Tamil Nadu and adjoining south Andhra Pradesh coast between Nagapattinam and Nellore by tomorrow afternoon. It forecast heavy to extremely heavy rainfall up to 25 cm or more besides squally winds reaching up to 45-55 kmph of speed and gusting up to 65 kmph off north Tamil Nadu, Puducherry and adjoining south Andhra Pradesh coasts during next 12 hours. It further said, the fishermen along north Tamil Nadu, Puducherry and adjoining south Andhra Pradesh coasts are advised not to venture into the sea as sea condition will be very rough to high along and off north Tamil Nadu, Puducherry and adjoining south Andhra Pradesh coasts during next 48 hours. Chennai, Kancheepuram, Cuddalore and Villupuram received heavy rains in the morning, inconveniencing office-goers. In Puducherry, the government has geared up its machinery to meet any emergency posed by the cyclonic storm. The District Collector Mr. Deepak Kumar said ,six emergency control rooms have been set up to work round the clock to give latest information about the cyclonic storm.