Who authorised Delhi Chief Minister Arvind Kejriwal and his ministers to sit on a 'dharna', the High Court today questioned sharply, hearing a petition against the weeklong sit-in at the Lieutenant Governor's office. NDTV is one of the leaders in the production and broadcasting of un-biased and comprehensive news and entertainment programmes in India and abroad. NDTV delivers reliable information across all platforms: TV, Internet and Mobile. Subscribe for more videos: https://www.youtube.com/user/ndtv?sub... Like us on Facebook: / ndtv Follow us on Twitter: / ndtv Download the NDTV Apps: http://www.ndtv.com/page/apps Watch more videos: http://www.ndtv.com/video?yt