Filming;
Principal photography began in September 2015 with Ranbir Kapoor and Anushka Sharma in London.At the end of September, the team filmed some portions in Paris.In October, they began shooting in various locations in Austria, including the city of Vienna. Aishwarya Rai Bachchan joined the crew in Vienna in mid-October after the release of her film Jazbaa.On 6 February at the India Conference at Harvard, Johar revealed that in the film Ranbir plays the character of a Hindu boy, Aayan, and Anushka plays a Muslim girl, Alizeh.
Music for Ae Dil Hai Mushkil will be composed by Pritam. It is the first time when Pritam is composing music for a film directed by Karan Johar. Keeping in mind the theme of a romantic love story, the film will have romantic music and songs which is sure to win every individuals heart.Talking to The Indian Express, Pritam said "This too would be grand and romantic for sure. I am really looking forward to a great collaboration with Karan Johar.”
The film was first announced in November 2014. Writer-director Karan Johar said that for the past year and a half, he had been developing a story that he needed to work on for another 3 to 5 months. However, while he was in New York, the idea for 'Ae Dil Hai Mushkil' came to him and he wrote the screenplay in 30 days, something he had never done before. When he came back to India, he spoke to the three lead actors and they all signed on immediately.











