New Delhi [India], January 15 (ANI): Amid the severe fog conditions, the Delhi airport has issued an advisory for passengers, requesting that they contact airlines before travelling. “Due to dense fog, flight operations at Delhi Airport may be affected. Passengers are requested to contact the airline concerned for updated flight information,” said the airport authority in a post on ‘X’. “Any inconvenience caused is deeply regretted,” it added. Earlier on Sunday, low visibility and dense fog conditions across North India impacted IndiGo flight operations, causing inconvenience to passengers tra…