Hum Tum is a Bollywood romantic comedy movie directed by Kunal Kohli and produced by Aditya Chopra and Yash Chopra under the Yash Raj Films banner. The movie stars Saif Ali Khan and Rani Mukerji in the lead roles. Hum Tum follows the encounters of the two main characters until they, after several years and various meetings, become friends and finally fall in love. The comic characters Hum and Tum have their own animated sequences in the movie, where they represent the current state of Karan's and Rhea's relationship. The director Kunal Kohli has stated that the film "is inspired from the genre When Harry Met Sally belongs to." The film was generally received well by critics and it won several Filmfare Awards, including Best Actress (Mukerji), Director (Kohli), and Actor in a Comic Role (Khan). In June 2005, Khan won the National Film Award for Best Actor.Wikipedia