Before ‘Main Vaapas Aaunga’, Imtiaz Ali considered adapting screenwriter Nayanika Mahtani’s ‘Across the Line’, which she believes will happen when its time comes

Main Vaapas Aaunga writer Nayanika Mahtani opens up about the process behind Imtiaz Ali's film, revealing the filmmaker met a 90-year-old who said, 'Take me back to Pakistan', who inspired the story