IMD has warned of impact on agriculture, livestock, water supply, transport and power sector at some places. The Meteorological Department has issued an advisory advising people to eat fruits and vegetables rich in vitamin C and drink plenty of warm liquids to maintain adequate immunity. Apart from this, it has been advised to avoid outdoor activities. The Meteorological Department has issued an “orange” alert for parts of north India, including Delhi, for Sunday, warning that dense fog, cold and cold wave conditions will continue.