The IMD issued heavy to very heavy rainfall warning for several states/UTs. Heavy rainfall is likely over Odisha, Andaman & Nicobar Islands, Nagaland, Manipur, Mizoram, Tripura, Andhra Pradesh, Tamil Nadu & Puducherry on October 1. Heavy to very heavy rainfall is likely over Odisha on October 3. It's likely over MP, Chhattisgarh, West Bengal, Sikkim and Odisha on October 4.