New Delhi [India], January 22 (ANI): Several flights were delayed at Delhi’s Indira Gandhi International Airport (IGI) on Monday due to low visibility amidst fog. Visibility may likely reduce in moderate fog and then improve with shallow fog, the India Meterological Department said. Dense fog conditions are very likely in isolated places in Delhi tonight and on January 25, the IMD forecast said. Further, it said that dense fog is expected to be seen in isolated pockets over Delhi, Bihar and Odisha on January 23. Dense to very dense fog conditions are likely to prevail in the morning over parts…