IMD has issued rainfall and heatwave warning for several states/UTs for Monday. Heavy to extremely heavy rainfall is likely over WB, Sikkim, Arunachal, Assam, Meghalaya, Kerala, Puducherry, Bihar, Chhattisgarh, Andhra Pradesh, Karnataka, Goa, Lakshadweep, Maharashtra, MP, Nagaland, Manipur, Mizoram, Tripura, Odisha, TN & Telangana. Heatwave is likely over Bihar, Haryana, Chandigarh, Delhi and UP.