Filmmaker Ram Gopal Varma (RGV) has shared a picture of himself with actor Amitabh Bachchan from the sets of the upcoming film 'Sarkar 3'. "Trying to tame a lion," tweeted RGV while sharing the picture. Another picture he shared was only of Amitabh and was captioned, "Sarkar of acting preparing for a scene on the set of Sarkar 3."