Vidya Balan and Amitabh Bachchan joined hands once again

Vidya Balan and Amitabh Bachchan shared a terrific screen chemistry in the film ‘Paa’ where they played the role of a mother and son. And while that film went on to give ‘Auro’ his national award, the buzz is out that Vidya and Amitabh are teaming up again.And yet again, they are not playing the romantic pair (which is surprising given that Amitabh has romanced younger lots like Tabu and Jiah