Question: What nationality is the director of film Darwaaza Bandh Rakho?
Sentence (from "J. D. Chakravarthy"): Nagulapati Srinivasa Chekravarthy, known professionally as J. D. Chakravarthy, is an Indian film character actor, screenwriter, producer, composer, singer and director known for his works in South Indian film industry and Bollywood.
Relevant evidence: Yes