[5][6] They announced that actors Hrithik Roshan and Rekha would return for the sequel, but that Preity Zinta would be replaced by Priyanka Chopra.
[7] He decided to push the story forward by focusing on the son of the previous films's protagonist, who would inherit his father's special abilities.
In the first film Koi... Mil Gaya, Rohit was gifted with superpowers, when he was 20 years old, with his mind and body at the peak of human potential.
His grandmother Sonia takes the young Krishna to a remote mountain village in northern India to conceal his unique abilities.
As he got older, Krishna's physical abilities grew alarmingly and even surpassed his father Rohit's by the time he turned 20 years old.
To appease her boss, Priya calls Krishna to join her in Singapore, where she tries to get him to perform heroic acts by using his powers.
With his supernatural powers, Krishna follows Dr. Arya to his island lair, where a huge fight ensues between Krrish and the doctor's thugs.
He has excellent observational skills that allow him to learn, adapt, and improvise whatever he sees, hears, or reads within a couple of minutes.
He possesses a high IQ level, even as a child, and an eidetic memory, having inherited it from his father although not using it to its full potential.
He has often stunned others with dazzling feats of speed, like spinning at high velocities, generating gales at the wake of his movements, and engaging many foes at once.
In Krrish 3, he was able to hold up the side of a skyscraper while being under the pressure of Kaal's telekinesis, albeit with extreme effort and exertion.
[12] Thanks to his upbringing in wilderness, Krrish possesses special abilities related to nature, such as climbing mountains and fishing.