New Delhi: Cold wave maintained its grip in north India, with temperatures settling below normal in most parts as fog enveloped the region disrupting air, rail and road traffic. <br /><br />Dense fog enveloped the Indira Gandhi International (IGI) airport in Delhi on Sunday night leading to delay in schedule of around 40 flights. <br /><br />Around 150 domestic and international flights at the IGI airport had been affected earlier in the day due to fog, causing inconvenience to passengers.<br /><br /><br />For More information on this news visit : http://www.newsx.com/<br />Connect with us on Social platform at : http://www.facebook.com/newsxonline<br />Subscribe to our YouTube Channel : http://www.youtube.com/newsxlive