New Delhi, Aug. 9 -- India Meteorological Department (IMD) on Saturday issued an orange category warning, which means disaster management authorities should be prepared to avert any possible disasters, for parts of northwestern India for Sunday and Monday as the monsoon trough is likely to shift northwards and cause heavy to very heavy rain in Uttarakhand, Haryana, Chandigarh, Delhi, western Uttar Pradesh, eastern Rajasthan.

Rainfall activity over northwestern India is likely to increase from Sunday and heavy to very heavy rainfall is expected at isolated places in the Western Himalayan region over the next two days.

Extremely heavy rains continued on Friday and Saturday in Kerala, where a red category warning has been issued for the week...