Producer: Shankar–ehsaan–loy, Shankar-ehsaan-loy, Boney Kapoor
Director: Samir Karnik
Release Date: 11 August,2004
Storyline: Kyun! ho gaya na... , released in english as look what's happened now, is a 2004 bollywood romance film directed by samir karnik starring vivek oberoi and aishwarya rai in lead roles. this was the first film of leading south indian film actress kajal aggarwal, who played a small role as the friend of aishwarya rai.