Watch Bollywood Scenes - Kaun Ho Tum? - Karz - Rishi Kapoor & Simi Garewal from Subhash Ghai's superhit film Karz - 1980. Directed by - Subhash Ghai, Produced by - Akhtar Farooqui, Jagjit Khurana, Music by - Laxmikant Pyarelal, Featuring - Durga Khote, Jalal Agha, Rishi Kapoor, Iftekhar, Pinchoo Kapoor, Pran, Premnath, Raj Kiran, Simi Garewal, Tina Munim, Abha Dhulia. Karz is a story that moves across two lifetimes. Monty, a heart-throb pop singer, discovers that in the past lifetime, he was murdered and duped of his empire of tea estates by his own wife. 25 years later, he encounters the murdered.and a thrilling saga of karma and revenge follows..