Question: 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"?
Sentence (from "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.
Relevant evidence: Yes