Question: Who is the father of the director of film Ae Dil Hai Mushkil?

Knowledge 1: Ae Dil Hai Mushkil
Ae Dil Hai Mushkil  is an Indian 2016 Hindi-language musical romantic drama film directed, co-written and produced by Karan Johar.The story is based on the concept of unrequited love.The film stars Ranbir Kapoor, Anushka Sharma and Aishwarya Rai, with Fawad Khan appearing in a supporting role.It also features cameo appearances by Shah Rukh Khan and Alia Bhatt.The film was released on 28 October 2016 during the Diwali festival.Made with a budget of , "Ae Dil Hai Mushkil" was commercially successful, grossing over worldwide.It received mixed reviews, with criticism towards its direction, screenplay, dialogues and length, while Kapoor's performance and the soundtrack received praise.The film became one of the highest-grossing Hindi films of 2016 and Kapoor's first commercial success since his 2013 romantic comedy film "Yeh Jawaani Hai Deewani".It received seven nominations at the 62nd Filmfare Awards, including Best Director (Johar), Best Actor (Kapoor) and Best Actress for Sharma, winning four of them for its soundtrack.The film is inspired by the lives of Kaushik Koppula and his friend with Ranbir Kapoor and Anushka Sharma reprising their roles while roles of Shah Rukh Khan and Aishwarya Rai were based on lives of his friend Kalyan and his love interest repestively. [SEP] Knowledge 2: Karan Johar
Karan Kumar Johar (born Rahul Kumar Johar, 25 May 1972), often informally referred to as KJo, is an Indian film director, producer, screenwriter, costume designer, actor and television personality who works in Hindi films.He is the son of Hiroo Johar and the producer Yash Johar.Johar made his directorial debut with the widely-seen romance "Kuch Kuch Hota Hai" (1998), which earned him the Filmfare Awards for Best Director and Best Screenplay.His next two films were the ensemble dramas "Kabhi Khushi Kabhie Gham..."(2001) and "Kabhi Alvida Naa Kehna" (2006), which were both very successful in the overseas market.His social drama "My Name Is Khan" (2010)earned him his second Filmfare Award for Best Director.The 2018 spy thriller "Raazi" won him Filmfare Award for Best Film.These, along with the several successful films he has produced under the Dharma Productions banner, have established him as one of the leading director-producers in Hindi cinema.Johar has also ventured successfully into other avenues of the entertainment industry.He hosts a television talk show, "Koffee with Karan", and a radio show "Calling Karan", and appeared as a judge on competition reality shows "Jhalak Dikhhla JaaIndia's Got TalentIndia's Next Superstars".
Knowledge 1: Karan Johar
Karan Kumar Johar (born Rahul Kumar Johar, 25 May 1972), often informally referred to as KJo, is an Indian film director, producer, screenwriter, costume designer, actor and television personality who works in Hindi films.He is the son of Hiroo Johar and the producer Yash Johar.Johar made his directorial debut with the widely-seen romance "Kuch Kuch Hota Hai" (1998), which earned him the Filmfare Awards for Best Director and Best Screenplay.His next two films were the ensemble dramas "Kabhi Khushi Kabhie Gham..."(2001) and "Kabhi Alvida Naa Kehna" (2006), which were both very successful in the overseas market.His social drama "My Name Is Khan" (2010)earned him his second Filmfare Award for Best Director.The 2018 spy thriller "Raazi" won him Filmfare Award for Best Film.These, along with the several successful films he has produced under the Dharma Productions banner, have established him as one of the leading director-producers in Hindi cinema.Johar has also ventured successfully into other avenues of the entertainment industry.He hosts a television talk show, "Koffee with Karan", and a radio show "Calling Karan", and appeared as a judge on competition reality shows "Jhalak Dikhhla JaaIndia's Got TalentIndia's Next Superstars". [SEP] Knowledge 2: Lisa Haydon
Elisabeth Marie" Lisa" Haydon( born 17 June 1986) is an Australian actress, TV presenter and model, of Indian descent who mainly appears in Hindi films.Haydon made her acting debut with a supporting role in the 2010 romantic comedy" Aisha" and received critical praise for her performance in the comedy- drama" Queen", which garnered wide recognition and a Best Supporting Actress nomination at Filmfare, among other accolades.Haydon later starred in the commercially successful romantic comedy" Housefull 3" and had a brief role in the Karan Johar- directed romantic drama" Ae Dil Hai Mushkil"( both 2016).She is a model in India and internationally.She appears on several popular Magazine covers such as harpers bazaar Grazia( India)," Cosmopolitan( magazine)", Elle( India)," VerveVogue IndiaFemina( India)", FHM( magazine), Hello!( magazine), and L'Officiel.
Knowledge 1: Ae Dil Hai Mushkil
Ae Dil Hai Mushkil  is an Indian 2016 Hindi-language musical romantic drama film directed, co-written and produced by Karan Johar.The story is based on the concept of unrequited love.The film stars Ranbir Kapoor, Anushka Sharma and Aishwarya Rai, with Fawad Khan appearing in a supporting role.It also features cameo appearances by Shah Rukh Khan and Alia Bhatt.The film was released on 28 October 2016 during the Diwali festival.Made with a budget of , "Ae Dil Hai Mushkil" was commercially successful, grossing over worldwide.It received mixed reviews, with criticism towards its direction, screenplay, dialogues and length, while Kapoor's performance and the soundtrack received praise.The film became one of the highest-grossing Hindi films of 2016 and Kapoor's first commercial success since his 2013 romantic comedy film "Yeh Jawaani Hai Deewani".It received seven nominations at the 62nd Filmfare Awards, including Best Director (Johar), Best Actor (Kapoor) and Best Actress for Sharma, winning four of them for its soundtrack.The film is inspired by the lives of Kaushik Koppula and his friend with Ranbir Kapoor and Anushka Sharma reprising their roles while roles of Shah Rukh Khan and Aishwarya Rai were based on lives of his friend Kalyan and his love interest repestively. [SEP] Knowledge 2: Lisa Haydon
Elisabeth Marie" Lisa" Haydon( born 17 June 1986) is an Australian actress, TV presenter and model, of Indian descent who mainly appears in Hindi films.Haydon made her acting debut with a supporting role in the 2010 romantic comedy" Aisha" and received critical praise for her performance in the comedy- drama" Queen", which garnered wide recognition and a Best Supporting Actress nomination at Filmfare, among other accolades.Haydon later starred in the commercially successful romantic comedy" Housefull 3" and had a brief role in the Karan Johar- directed romantic drama" Ae Dil Hai Mushkil"( both 2016).She is a model in India and internationally.She appears on several popular Magazine covers such as harpers bazaar Grazia( India)," Cosmopolitan( magazine)", Elle( India)," VerveVogue IndiaFemina( India)", FHM( magazine), Hello!( magazine), and L'Officiel.

Answer: Yash Johar