IMD announced that heavy rainfall is likely to occur over Chhattisgarh, Vidarbha, Madhya Pradesh, Uttar Pradesh, Haryana and East Rajasthan during next 2-3 days. Light to moderate rain may occur in parts of Delhi on Thursday, the IMD said. Meanwhile, heavy rainfall is also expected in Arunachal Pradesh during September 22-24, Assam and Meghalaya during September 21-23.