Amitabh Bachchan's journey of five decades to become the Bollywood 'Shahenshah' was not always a smooth ride. Indeed, his life is nothing short of brilliant biopic material. Early rejections were followed by a phase when he made his mark as a promising actor which was soon overshadowed by the kind of superstardom Bollywood never saw before or after. Today, he is the face of Indian cinema all over the world and as he completes 50 glorious years in the film industry, here's a look back at his journey.