Karan is now aged 44 but he has not shared anything about his love life in the media. Till date there is no any information about his married life and wife. His nationality is Indian and he has mixed Indian ethnicity.
Karan completed his high school graduation from Greenlawns High School. Later on he joined H.R. College of Commerce and Economics. He also had a master's degree in French. Raj Kapoor, Yash Chopra and Sooraj R. Barjatya are his inspiration in film directing. Karen entered into the film industry as an actor. He made his acting debut in 1989 by starring the role of Srikanth in an Indian children's television series Indradhanush. Half a decade later, he portrayed the role of Rocky in an Indian romance film Dilwale Dulhania Le Jayenge. He made his directorial debut in 1998 by being the director of an Indian Hindi coming-of-age romantic comedy drama film Kuch Kuch Hota Hai. He was also the writer of this movie. He won Filmfare Awards for several times as the director of this movie. He is also critically acclaimed for being the director of the movies like Kabhi Khushi Kabhie Gham, Kabhi Alvida Naa Kehna, My Name Is Khan and so on. In 2003, he produced an Indian romantic drama Kal Ho Naa Ho. Later on he produced the movies like Kaal, Dostana, Kurbaan, Wake Up Sid and so on. His net worth is $200 M.