Sara Ali Khan revealed that her half-brother Taimur Ali Khan calls her 'gol' whenever he meets her, adding, "He says 'amma' to Kareena [Kapoor Khan]...'abba' to my father [Saif Ali Khan]...'bhai' to my brother [Ibrahim Ali Khan]." Sara will be seen in Abhishek Kapoor's 'Kedarnath' releasing on December 7, which will mark her Bollywood debut.