Director R Balakrishna of Cheeni Kum fame has once again teamed up with Amitabh Bachchan in Pa and says he is giving the legendary actor a complete makeover. Big B is said to have agreed to cast off his beard for this emotional drama.'Im not going to tell you whether Ive asked Mr Bachchan to shave off his beard or not. But for sure, this is going to be his most startling makeover in recent times,' Balakrishna, who is also known as Balki, said.'While Abhishek will be given a more intrinsic perso