You have already seen various versions of "Chammak Challo" but now its time to see how that song actually came into existence. Watch the full video of "Ra One Chammak Challo song" featuring music duo vishal shekhar & international artist Akon. We salute the indomitable spirit of these musicians to make such commendable song. For more exclusive videos don't forget to SUBSCRIBE us. Buy it from iTunes SMS RONE1 to 54646 http://bit.ly/1FigJj0 Enjoy and stay connected with us!! Buy Ra.One Songs on Flipkart: https://geo.itunes.apple.com/in/album/ra-one-original-motion-picture/id508532900?ls=1 SUBSCRIBE T-Series channel for unlimited entertainment http://www.youtube.com/tseries Circle us on G+ http://www.google.com/+tseriesmusic Like us on Facebook http://www.facebook.com/tseriesmusic Follow us on http://www.twitter.com/_Tseries