New Delhi, Dec 29 : Northern India continues to reel under a severe cold wave, with dense fog shrouding large parts of the region.

The maximum and minimum temperatures in Delhi on Tuesday were 22 and 6 degree Celsius respectively; slightly higher than the season''s low of 5.2 degree Celsius which was recorded on December 26.

A light fog also engulfed New Delhi in the early hours this morning, causing delay in train and flight schedules.

According to sources, flights to Chennai, Srinagar, Amritsar and Patna were delayed by about an hour as the general visibility dropped to 300 meters.

"I had to go to Patna but due to the fog, the train is late by two hours," said Ramashankar Singh, a traveller.

In Amritsar, locals warmed themselves in front of fires.

"It is very cold. We have to wear gloves and caps while venturing out of the house but still it feels cold. It is very cold and that''s why we are all warming ourselves in front of the fire," said Satpal Singh, a resident.

In Haryana, Ambala recorded a low of 0.3 degree Celsius, while it was 0.9 degrees at Rohtak.

In Himachal Pradesh, Keylong, headquarters of Lahaul and Spiti district, with a night temperature of minus 9.7 degree Celsius remained the coldest place.

Mount Abu remained the coldest place in Rajasthan with a minimum temperature of one degree Celsius. (ANI)