Kyun! Ho Gaya Na.. is a 2004 Hindi-language Comedy Drama motion picture written by Samir Karnik, Rajesh Soni, Vivek Oberoi, Tushar Hiranandani and Milap Zaveri. The movie is directed by Samir Karnik and produced by Boney Kapoor. 'Kyun! Ho Gaya Na' is a situational romantic comedy -- a simple story about love and life. Diya Malhotra is an idealistic, sensitive girl whose childhood was spent in the coffee plantation town of Coorg. Her father, who single-handedly raised Diva after his wife passed away, decides that Diva should travel to Mumbai to help his friend Raj Chauhan, a confirmed bachelor, run a small orphanage that he has in his home. Diva will stay at the home of the Khannas, who also are friends of her father. Diva then meets Arjun Khanna, a mingly free-spirited, fun-loving, adventurous guy. The two soon realize, however, that they will be staying in the same house since the Khannas, her father's friends, are Arjun's parents. The friendship that develops between Diya and Arjun and their opposing views on love and marriage are at the heart of this film. Written by Sujit R. Varma. Kyun! ho gaya na.. features Aishwarya Rai in the title role along with an ensemble cast including Vivek Oberoi, Amitabh Bachchan, Suniel Shetty, Aishwarya Rai Bachchan, Om Puri and Rati Agnihotri. The music was composed by IIFA Award winner Ehsaan Noorani along with Loy Mendonsa, Shankar Mahadevan and Shankar-ehsaan-loy. Cinematography was done by Sudeep Chatterjee and editing by Sanjib Datta. The movie has a running time of 172 mins. It was released on 13th August 2004. Kyun! Ho Gaya Na.. was made on a budget of ₹10 crore and at the box office it grossed only ₹7 crore. Distribution rights for the movie were acquired by Ravi Prabhakar.