This is a vary intresting movie
The story follows the life of Rohit Mehra, a scientist, and Krishna Mehra a.k.a. Krrish, his superhero son, who face an elaborate conspiracy orchestrated by the evil genius Kaal and his female henchman Kaya. In the process, Krishna's pregnant wife Priya is kidnapped by Kaal and the form-changing Kaya takes her place at the Mehra home and eventually falls in love with Krishna.