Question: Who was the author of the book, on which the 2016 film, in which India Eisley took the role of Audina, is based ?  
Sentence (from "Jaishankar Chigurula (filmmaker)"): Jaishankar Chigurula is an Indian film director, screenwriter, from Telugu cinema,he was born 1992 in Hyderabad, Telangana, India his debut film 21 (2016 film).
Relevant evidence: No