The IMD has issued a heavy to very heavy rainfall warning for 21 states/UTs for Monday. According to IMD's latest bulletin, heavy to very heavy rainfall is very likely over Haryana, Chandigarh, Delhi, Himachal Pradesh, J&K, Ladakh, Punjab, Uttarakhand, Arunachal Pradesh, Assam, Meghalaya, Nagaland, Manipur, Mizoram, Tripura, Rajasthan, West Bengal, Sikkim, Tamil Nadu, Puducherry and Uttar Pradesh.