<span class=normal>If you have loved Auro and his histrionics on screen, you will sure be intrigued to find out how the 67-yer-old Amitabh Bachchan was made to look like a 12-year-old child who has looks like hes 65-year-old. Confused? Read on, as the director of Paa, R Balki, explains the make up process from concept to shoot. </span>