"I've actually gone mad looking at his discipline and his way of working because it was a wonderful experience of how a production should be managed.
What kind of atmosphere and discipline should be there on the sets are little things that matter. For me if the atmosphere is right, the work that I do is also right, " the 68-year-old actor told.
"Aarakshan" in which Bachchan plays the principal of a private educational institute, is slated for an Aug 12 release. It also stars Saif Ali Khan, Deepika Padukone and Manoj Bajpayee among others.