Question: What  prominent Indian dance choreographer in Hindi cinema provided assistance for the 1963 Indian social film directed by Nitin Bose?
Sentence (from "Dushman (1939 film)"): The story subject about tuberculosis was suggested as a propaganda film by Viceroy Lord Linlithgow and his wife, who were then the Chairman and Patron of King George’s Tuberculosis Fund.
Relevant evidence: No