We have done our duty, hope the others have also done: Kamal Haasan after casting his vote in Chennai. 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