Question: What movie starring Dev Patel was based on an Austalian novel?

Context paragraphs:
Munimji: Munimji (Hindi: मुनीमजी , translation: "Clerk") is a 1955 Bollywood movie starring Dev Anand and Nalini Jaywant, and directed by Subodh Mukherjee.  Story Idea By Ranjan Screenplay by Nazir Hussain,Dialogues by Nazir Hussain and Qamar Jalalabadi.  Pran played the villain in the film.  It also starred Ameeta and Nirupa Roy.  The team of Mukherjee, Nazir Hussain, Dev Anand and music director S.D. Burman later got together to produce another movie, "Paying Guest", in 1957.  The song "Jeevan Ke Safar Mein Rahi," sung by Kishore Kumar, became a super hit.

Luke Davies: Luke Davies is an Australian writer of poetry, novels and screenplays.  His best known works are "" (which was adapted for the screen in 2006) and the screenplay for the critically acclaimed film "Lion".

The Best Exotic Marigold Hotel: The Best Exotic Marigold Hotel is a 2011 British comedy-drama film directed by John Madden.  The screenplay, written by Ol Parker, is based on the 2004 novel "These Foolish Things", by Deborah Moggach, and features an ensemble cast consisting of Judi Dench, Celia Imrie, Bill Nighy, Ronald Pickup, Maggie Smith, Tom Wilkinson and Penelope Wilton, as a group of British pensioners moving to a retirement hotel in India, run by the young and eager Sonny, played by Dev Patel.  The movie was produced by Participant Media and Blueprint Pictures on a budget of $10 million.

Lashkar (film): Lashkar is a 1989 Bollywood film directed by Jagdish Kadar and starring Dev Anand, Aditya Pancholi, Sonam, Hemant Birje, Madhavi, Sumeet Saigal, Jaaved Jaffrey, Kiran Kumar and Sadashiv Amrapurkar.  The movie was a huge commssion earner at the box office and is believed to be one of the last commercial successes of Dev Anand.  This was the only film in the late 1980s that Dev Anand starred in that he did not produce or direct but acted in lead role and film was major box office success.  This film glorified his image of being evergreen hero as he played lead role at the age of 66 and managed to look like 35 year old.

Tristine Skyler: Tristine Skyler is an American writer and producer.  She wrote, with Scarlett Johansson, an adaptation of Truman Capote's novella "Summer Crossing" for the screen, as well as executive produced the film "The Man Who Knew Infinity" starring Dev Patel and Jeremy Irons.  She began her career as an actress, appearing in films, television, as well as in the theatre.  Born and raised in New York City, Skyler graduated cum laude from Princeton University.

Lion (2016 film): Lion is a 2016 biographical film directed by Garth Davis (in his feature debut) and written by Luke Davies, based on the non-fiction book "A Long Way Home" by Saroo Brierley with Larry Buttrose.  The film stars Dev Patel, Rooney Mara, David Wenham and Nicole Kidman.

Jaal (1952 film): Jaal (Hindi: जाल , translation: "Net"/"Trap") is a 1952 Bollywood film starring Dev Anand and Geeta Bali, and directed by Guru Dutt.  This was Guru Dutt's second movie, after Dev Anand's production "Baazi" Guru Dutt was trying to find his bearings through commercially successful movies.  After "Baazi", this was the second film in which Dev Anand also came through as an actor with a unique style of his own.

Devika Bhise: Devika Bhise is an American actress, best known for her performance in "The Man Who Knew Infinity", starring Dev Patel and Jeremy Irons.

Teen Devian: Teen Devian (English: "Three Goddesses") is a 1965 Bollywood film directed by Amarjeet starring Dev Anand.  Filmed mostly in black and white, with some colour scenes, the movie tells the story of a poet who falls in love with three different women.  It is inspired by writer D.H. Lawrence's works.  The music was composed by S. D. Burman, whose son Rahul Dev Burman composed the English version of this film titled "Oh Boy and Three Girls" but the print was never released.

Romeo (2011 film): Romeo is a romantic Bengali film directed by Sujit Mondol and starring Dev and Subhashree Ganguly in lead roles with Sabyasachi Chakrabarty, Laboni Sarkar, Koushik Banerjee in supporting roles, whilst the music was scored by critically acclaimed Jeet Ganguly.  The film was released on 4 November 2011.  It is an official remake of the Telugu movie "Konchem Ishtam Konchem Kashtam".  It was an average for Dev after a long time.

Supporting paragraphs: Luke Davies Lion (2016 film)
Answer: Lion