New Delhi, Aug. 3 -- The monsoon is set to intensify across large parts of India this week, with the India Meteorological Department (IMD) warning of risks of flash floods in parts of the Northeast and forecasting extremely heavy rainfall in several states over the next seven days.

The IMD has flagged a low to moderate flash flood risk over the next 24 hours for parts of Arunachal Pradesh, Assam and Meghalaya, where widespread heavy rain is expected. Surface runoff and inundation are likely in low-lying areas and places with fully saturated soils.

The districts at risk include Changlang, Dibang Valley, East Kameng, Papum Pare and Tawang in Arunachal Pradesh; Cachar, Darrang, Golaghat, Jorhat, Kamrup Metro, Karbi Anglong, Kokrajhar, Lakh...