Chetan Bhagat who is the author of some of the best selling books stunned the people by accepting the offer to judge the contestants of dance reality show 'Nach Baliye 7'. Now, He is getting ready to shock one and all with his dancing skills.Yes, Chetan Bhagat is going to shake his leg for the first time ever. He already begun rehearsals for dancing a bit at the Nach Baliye 7 grand finale. "The unthinkable has happened! I am dancing for the Nach Baliye finale this Sunday. Pic from practice. #firsttime #nervous," he wrote, sharing a picture from the rehearsals.Nach Baliye 7 grand finale will be telecast this Sunday. So, don't miss the episode to know how how well Chetan Bhagat has performed on the stage.