Reportedly residents of delhi woke up to a chilly christmas morning, with a blanket of fog enveloping the city. With a thick layer of fog bringing down visibility, flight operations were affected at indira gandhi International airport in delhi, prompting authorities to ask passengers to contact airlines for assistance. “While landings and take-offs continue at delhi airport, flights that are not CAT III compliant may get affected. Passengers are requested to contact the airline concerned for updated flight information. Any inconvenience caused is deeply regretted,” the airport authorities said in an advisory for passengers.Meanwhile as the cold wave tightened its grip on North india, delhi woke up to an even colder morning. The temperature in the city was recorded at 9.4 degrees Celsius in the morning, according to the india Meteorological Department (IMD). Visibility dropped to 125 meters in several parts of delhi, and most parts of the National capital Region (NCR) also experienced low visibility. According to the india Meteorological Department, the visibility around Palam in delhi was zero at 8.30 am.Similar scenes were also witnessed in other parts of north india, including Jammu and Kashmir’s srinagar, where fog affected the day-to-day life of residents. Minimum temperatures continued to decline in most parts of kashmir for a second consecutive night even as dense fog disrupted daily life in the Valley early on Monday. srinagar Jammu and Kashmir’s summer capital recorded a low of minus 2.3 degrees Celsius, a slight decrease from the previous night’s minus 2.1 degrees, they said. The Met department said the weather is likely to remain mainly dry till the end of the month.