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 "Mera Naam Joker"): An abridged version was released in the 1980s and had a highly successful run at the box office.
Relevant evidence: No