The IMD has issued rainfall and heatwave warning for several states/UTs for Sunday. Heavy to very heavy rainfall is likely over Karnataka, Kerala, Puducherry, Andaman and Nicobar Islands, Arunachal Pradesh, Assam, Meghalaya, Goa, Lakshadweep, Maharashtra, Nagaland, Manipur, Mizoram, Tripura, Andhra Pradesh, West Bengal, Sikkim and Tamil Nadu. Heatwave is very likely over Andhra Pradesh and Odisha.