Indian cinema most prominent personalities Amitabh Bachchan is celebrating his 66th Birthday today (October 11).His father, Dr Harivansh Rai Bachchan was a noted Hindi poet, so he got the initial lessons in art and culture in his home. After completing his graduation from Kirori Mal College of the Delhi University, Amitabh joined a job as freight broker in a shipping firm, based in Calcutta (Kolkata). But, very soon he left the job to pursue a career in acting field.