Kaal creates a race of "Maanvars" (mutants)—human-animal hybrids—to do his bidding. His ultimate goal is to spread a deadly virus across the world so that he can sell the only cure, which can only be created using his own bone marrow. When Mumbai is hit by the virus, Rohit discovers that Krishna’s blood contains the antidote because of the powers Krishna inherited.
The Tamil-dubbed Krrish 3 demonstrated that: krrish 3 tamil dubbed movie
Krishna must save his wife, protect his father, and stop Kaal from destroying the city. In the tragic climax, Rohit Mehra sacrifices his life to save his son. Krrish ultimately defeats Kaal using his own powers against him. protect his father