In the bollywood movie Paa Abhishek Bachchan played the role of Amitabh Bachchan's father. The film is based on a rare genetic condition known as progeria and places emphasis on a father-son relationship. Amitabh Bachchan and Abhishek Bachchan, in real life, are father and son respectively, but in Paa, they played opposite roles.
Amitabh Bachchan played the role of Auro. Auro is an intelligent and witty 12-year-old boy with an extremely rare genetic disorder called progeria. Mentally he is twelve and very normal, but physically he looks five times older. In spite of his condition, Auro is a very happy boy. He lives with his mother Vidya (Vidya Balan), who is a Gynaecologist.
