Amitabh Bachchan’s life has always been the stuff of Bollywood legends. From being dubbed a ‘failed newcomer’ to becoming the ‘Shahenshah’ of Hindi cinema, his story is one of remarkable highs and crushing lows. But perhaps the most testing time of his life came not in front of the camera, but at home, when his company went bankrupt, plunging him into debts of nearly Rs 90 crore. It was such a dark phase that even his son, Abhishek Bachchan, chose to quit college to be by his side.The early days: A superstar born from failuresBig B’s career did not start off on a rosy note. His initial films failed to impress either the audience or critics. It wasn’t until 1973 that he tasted real success, with ‘Zanjeer’ catapulting…