Raj Khatri, creative head at Ma+Th, joins the latest episode of mid-day.com's 'BTS Stars.' The name behind posters of films like Hrithik Roshan and Deepika Padukone's 'Fighter,' Ram Charan's 'Game Changer' Vidya Balan starrer 'Kahaani,' Farhan Akhtar's 'Bhaag Milkha Bhaag' he spills the beans on how they were created.