New Delhi [India], December 29 (ANI): Delhites woke up to a hazy morning on Friday as the cold wave maintained its grip in Northern India. Although the fog conditions at the Indira Gandhi International Airport improved slightly; the lowest visibility was recorded at 150 meter, while the Runway Visual Range (RVR) is in at a range of 400 meters to 800 meters, as per the India Meterrological department. Due to the thick fog, several flights in the Delhi Airport were delayed. The low visibility also delayed arrival and departure of several Delh-bound trains. [{dd8341f9-b023-4d27-8b7d-1dcb1ab7a945:…