 To play the role of Krrish, Hrithik Roshan (qv) lifted weights and  dieted for two months to add 15 pounds of muscle to his frame.  Roshan is used to shaping his body for different roles: for  _Koi... Mil Gaya (2003)_ (qv), he lost weight to look more  childlike, and for _Lakshya (2004)_ (qv), he gained weight to play  the spoiled and lazy youth.