It's going to be an Indian version of 1 vs 100 where a player would have to compete with 100 people in a quiz, called a mob in the U.S. It's been currently aired in over a dozen countries across the globe.
The production house had earlier approached Aamir and Hrithik for the same but they refused to do it.
Concerned person from Endemol made it clear that Amitabh has always been their favourite but due to his illness and his busy schedule they had to speak to others but they have always been waiting for him.
It's at the very initial stage and Endemol is approaching different television channels to sell it.