New Delhi [India], February 5 (ANI): Several flights were delayed at the Indira Gandhi International Airport in Delhi since flight operations were affected as a layer of fog enveloped the national capital on Monday. The Delhi Airport issued an advisory for passengers saying that flights that are not CAT III compliant may be affected. “While landing and takeoffs continue at Delhi Airport, flights that are not CAT III compliant may be affected. Passengers are requested to contact the airline concerned for updated flight information. Any inconvenience caused is deeply regretted,” the advisory sha…