News Video News Over 81 trains delayed as fog engulfs northern India; flight operations also hit Over 81 trains delayed as fog engulfs northern India; flight operations also hit . | 2016-12-03 13:01:01 Advertisement Related Videos Delhi: Trains and flights delayed due to low visibility amid dense fog I India TV News Cold wave batters Delhi-NCR as temperature dips further in north India Delhi-NCR Weather: Cold wave hits Delhi-NCR as the temperature dips further in north India Gloomy weather in Shimla Subscribe to Notifications