Bollywood’s legendary actor Amitabh Bachchan turned 76 today. But age is only a number for him. He has managed to remain active and remarkably vibrant even after suffering from tuberculosis (TB) and liver cirrhosis earlier in life. The actor made a startling revelation a few years back that he is surviving on just 25 per cent of his liver as a result of hepatitis B infection. But if you look at him from an outside perspective no one can guess that he has suffered so much in his life. While most people of his age find it difficult to do