Koi Mil Gaya is the story about Rohit Mehra (Hrithik Roshan)who shows the
world that friendship is truly universal. Sanjay Mehra (Rakesh Roshan) is a
scientist obsessed with establishing contact with extraterrestrial life. He
invents many innovative gadgets, instruments and finally succeeds in devising a
computer that can transmit messages to space. His foresight becomes reality when
as a response to his signals, a spaceship is sighted in the sky. But before
Sanjay can even enjoy his success, he and his wife Sonia (Rekha) meet with a
horrific accident where Sonia survives but Sanjay loses his life. Sanjay's son
Rohit is born into this world; a mentally challenged child who faces ridicule
and torment at every face of his life. His lone companion is Nisha (Priety
Zinta) whose compassion draws her towards Rohit.
