New Delhi, Dec 22 (TIWN) A high-pitched argument between an air- passenger and one of the crew members of an IndiGo flight has gone viral on social media.

The argument started on the airline's Istanbul-Delhi flight over food. Reacting to the issue, in a statement, the airline said that they were looking into the incident and assured that "customers' comfort has always been our top priority.  Sources said that aviation regulator DGCA was looking into the matter.  About the incident, a passenger in the flight Er. Gurpreet Singh Hans said on Twitter he unfortunately booked a ticket on the IndiGo flight.  "Every international long distance (we can manage from Dubai to India) flight has a food choices video in front of seats but can't. Some people can manage but some can't, they need a choice of food," Hans said in his first tweet.  "I see in front of my eyes how a man behaves with girl staff and how a lady behaves with staff," he added.  Video showed an argument between a crew member and a passenger. The crew member found accusing the passenger of talking to the staff harshly, which made one of them cry.