Megastar Amitabh Bachchan is eagerly waiting for the arrival of his grandchild.

While shooting for Sony TV's "Kaun Banega Crorepati", Amitabh met contestant Ruksana's five-month old baby and after seeing the child, the veteran star revealed the eagerness for son Abhishek Bachchan and daughter-in-law Aishwarya Rai's first baby.

Amitabh had broken the news that Aishwarya is pregnant in June.