^ "Results Of The Knight Frank Global Cities Survey" . http://www.knightfrank.com/wealthreport/2011/global-cities-survey/ .   ^ "National Geographic Ultimate Cities of a Lifetime: Delhi, India" . National Geographic . http://travel.nationalgeographic.com/city-guides/ . Retrieved 26 May 2011 .   ^ "IFC and CII Report: Delhi is the best city to live in" . The Financial