Amitabh Bachchan thanked the Delhi University for giving him the best years of his life amidst applause from hundreds of people when this famous alumnus of Delhi University on Saturday was honored with a doctorate. He was a student of BSc general course in the university between 1959-62. He studied in Delhi's 'Kirori Mal College' and had shown keen interest in acting even then. He was lead actor in the theatre group. Big B is the only film personality in the history of the university to receive such an honor.