Kyun Ho Gaya Na is an Comedy, Romance, Drama movie starring Aishwarya Rai Bachchan, Vivek Oberoi, Amitabh Bachchan and Sunil Shetty. Kyun Ho Gaya Na is directed by Samir Karnik, released on 11, Aug, 2004. A man and a woman have opposing beliefs about love. He sees her as a friend, but she is in love with him. When the woman decides to marry someone else, the man is left with a heavy heart and wonders if this is what love feels like.