GURUGRAM, INDIA – DECEMBER 28: Vehicles move amid heavy fog on a cold winter morning at Delhi-Gurugram Expressway, on December 28, 2019 in Gurugram, India. Severe cold wave conditions continue in northern India. It was freezing cold in most parts of the northern states on Christmas day, with Srinagar recording its coldest night of the season at minus 4.3 degrees Celsius that froze water supply lines at several places. (Photo by Yogendra Kumar/Hindustan Times )