The release date for Alia Bhatt-Arjun Kapoor starrer "2 States", based on Chetan Bhagat's bestseller of the same name, has been locked. It will come out April 18 next year. Directed by Abhishek Verman and co-produced by Karan Johar and Sajid Nadiadwala, the movie is a romantic story of a Punjabi boy who falls in love with a Tamil girl, and the ensuing cultural clash between them and their families, said a statement.