"Babuji completed his dissertation in just about two years while the standard duration was four years," Amitabh continued.
The actor, who received an honorary doctorate from a British university, said that the doctorate his father earned was the real thing!
In between the course work at Cambridge, Dr Bachchan, religiously wrote diaries and observations that were used later in his four-volume autobiography.
The poems Amitabh chose to read ranged from satirical ones (one was called Snakes of India) to instructional.
Amitabh often paused between the passages and offered a summary. Much of the reading was done without looking at the text. At one time when he faltered for a second, he looked at the audience with a wan smile, saying in Hindi: "My Hindi is not as good as you think."