Well, thats not the first time that the father and son have shared the same screen space. So, no more surprise element in it. Remember?Bunty aur Bubbly, Kabhi Alvida Na Kehna, Sarkar and Sarkar Raj .But the twist that has come in the story is that Senior Bachchan, doing a cameo in Abhishek Bachchans film, Delhi -6 has enacted the role of his Grand-father.The producers of Delhi 6, UTV and Rakeysh Omprakash Mehra, had kept Amitabh Bachchan's cameo i   read more »