Amitabh Bachchan on Monday took to his blog and revealed how he ended up quitting smoking and drinking. He shared how post-graduation, some of his classmates got together to drink pure alcohol in the science lab, but they ended up falling extremely sick. “The act that taught a lesson very early towards the effects or rather the dis-effects of the elixir,” Big B, who recently injured himself on the set of his film ‘Project K’, wrote.