Identify the only actor to have won a Filmfare Award for Best Supporting Actor for portraying a character who is mute.
Correct: A
Anil Kapoor won the Filmfare Award for Best Supporting Actor for his role as Kamal Mehra in 'Dil Dhadakne Do' (2015), where his character experiences laryngeal spasm rendering him temporarily mute at multiple points in the film. While other actors may have played mute roles, Anil Kapoor is the only one to have won a Filmfare award in this category.