Who is the genius character who invented computer that could predict the future, in the movie Krrish 3?

Dr. Rohit Mehra is character that describes a disabled boy who meets an alien that gives him special abilities. He is the main protagonist in ''Koi Mil Gaya''. In ''Krrish 3'', he becomes a professional scientist working in a government organization.

Because of his genius Dr. Siddhant Arya hired him for an ambitious project. thanks to Dr Arya's resources and his brilliant mind, he manages to invent a computer that could predict the future.

Hopping to discover the gender of his unborn baby (Krishna Mehra), his friend Dr. Varun Shetty suggest him to teste the machine.

Sadly they discover that Dr. Siddhant will kill Dr Mehra. fearing that such a dangerous weapon would end up in the wrong hands, Dr. Mehra destroys the supercomputer.

Furious to see his ambitious dream dashed, Dr. Arya decides to kill the genius inventor and reconstruct supercomputer by himself, but before pulling the trigger, Dr Shetty tells him to not do it, because even if he manage to reconstruct the supercomputer, he won't be able to open it unless he use biometrical data from Dr. Mehra fingers and eyes.

Given the circumstances, Dr. Arya is forced to keep his genius employee in a vegetative state until he can rebuild his ambitious project.