Shah Rukh Khan's most ambitious sci-fi thriller 'Ra One' hit the screens on Diwali and it has managed to collect Rs.18 crore at the home box office on the opening day.
Directed by Anubhav Sinha, the Rs.150 crore film, which also stars Kareena Kapoor and Arjun Rampal in prominent roles, was released in as many as 3,500 screens across the world.
