Dr Devi Prasad Shetty, chairman of Narayana Hrudayalaya, explains how the hospital chain manages to keep its overhead costs lower as compared to some of its peers. Watch more videos: http://www.ndtv.com/video?yt Download the NDTV news app: https://play.google.com/store/apps/details?id=com.july.ndtv&referrer=utm_source%3Dyoutubecards%26utm_medium%3Dcpc%26utm_campaign%3Dyoutube