Aamir Khan played the role of Sanjay Singhania, a character suffering from short-term memory loss (amnesia), in the 2008 film 'Ghajini'. The film's entire plot revolves around his quest for revenge while coping with his memory condition. 'Dil', 'Sarfarosh', and 'Akele Hum Akele Tum' feature Aamir Khan in different roles unrelated to amnesia.