Sara Ali Khan, along with Karan Johar, unveiled the first motion poster of their upcoming film, 'Ae Watan Mere Watan', at the 54th edition of the International Film Festival of India, which is ongoing in Goa. 'Ae Watan Mere Watan' is a thriller drama headlined by Sara Ali Khan. SARA ALI KHAN, KJO LAUNCH NEW MOTION POSTER OF 'AE WATAN …