Which actor in Pati Patni Aur Woh, received the National Film Award for his debut role as a child artist in his father Raj Kapoor's 1970 film "Mera Naam Joker"?
Pati Patni Aur Woh: Pati Patni Aur Woh (English: "The Husband, Wife And Mistress") is a 1978 Hindi movie produced and directed by B. R. Chopra. Pati Patni Aur Woh:  The film stars Sanjeev Kumar, Vidya Sinha, Ranjeeta Kaur, and in guest appearances Rishi Kapoor, Neetu Singh and Parveen Babi. Rishi Kapoor: Rishi Kapoor (born 4 September 1952) is an Indian film actor, producer and director known for his works in Hindi cinema. Rishi Kapoor:  He received the National Film Award for his debut role as a child artist in his father Raj Kapoor's 1970 film "Mera Naam Joker" (1970).
Rishi Kapoor