Renowned photographer Avinash Gowariker is the latest guest on mid-day.com's 'BTS Stars.' Find out how Salman Khan's look for the 'Judwaa' poster was created and how Hrithik Roshan, Aishwarya Rai shot the 'Jodhaa Akbar' posters, besides the madness of 'Chennai Express.' Avinash opens up on capturing Amitabh Bachchan, Tiger Shroff, Alia Bhatt, Priyanka Chopra and many other top stars in his lens.