Some fans of Amitabh Bachchan might have framed his autograph, but the megastar, too, gives special treatment to his diehard fans -- he has what he calls a "Wall of Fans" on which he puts up the photos of some of his biggest fans from across the world.

The megastar recently promised to give the special treatment to a fan on the sets of his game show "Kaun Banega Crorepati" (KBC) -- but to the fan's autograph.

Pankaj, a contestant from Ahmedabad, gave his autograph to the 68-year-old host who told him that he has a 'Wall of Fans' where he has put up a few valuable photographs from his biggest fans across the world whom he has met till now. He promised Pankaj that he will frame his autograph and will put it on the wall.

"Mr Pankaj is a big fan of Amitabh Bachchan and had been trying to be a part of KBC since a long time. Finally he made it to the hot seat this time around and to make it memorable took an autograph from the actor. Not just this, he even gave his autograph to Amitabh, which the actor will get framed, " a source from the channel told.

"Kaun Banega Crorepati" is aired on Sony.