Answer
Irrfan Khan won the National Film Award for Best Actor for his role as Paan Singh Tomar in the 2012 film of the same name. The film is based on the life of Paan Singh Tomar, a national-level athlete who later became a bandit. Irrfan Khan's performance was widely praised, and he was praised for his ability to capture the complex character of Paan Singh Tomar.