"Cold wave to severe cold wave conditions in some pockets over Northern part of Rajasthan, Haryana, Chandigarh, Delhi & Punjab during 4 - 6 Jan of 2023 also dense to very dense fog and cold day conditions very likely to continue over northwest India during next 4-5 days" reports from IMD. Impact expected are aviation delays, difficult driving conditions ,causes eye irritation & respiratory problem in sensitive people.