Shahrukh Khan Richa Sharma: Sings For Greenathon 3br Actors: Shahrukh Khan, Richa Sharmabr 3RD EDITION OF NDTV-TOYOTA GREENATHON 3 br Artistes : Rahat Nusrat Fateh Ali Khan, Richa Sharma, Shankar Mahadevan br Film: My Name Is Khan