Dense fog is likely to continue over northwest and parts of adjoining central India during the next three to four days, the India Meteorological Department said in a statement on Tuesday.
The Northern Railways informed that 14 trains are affected so far in the northern zone due to the dense fog prevailing over the national capital on Tuesday.
A layer of dense fog was witnessed over the Delhi-NCR region on Tuesday morning, as the temperature dropped to almost 7 degrees in the national capital, according to the India Meteorological Department.
As the city basked in Yuletide spirit ahead of the year-end festivities, the mercury, too, dipped, adding to the Christmas vibes in the national capital.