Prime Minister Narendra Modi's initiative to make India a cleaner country has caught the fancy of the nation and celebrities are coming forward to do their bit for the society. The most recent name to join this campaign is none other than Bollywood's living legend Amitabh Bachchan. The actor tweeted pictures of him and a few other people sweeping Mumbai streets with a broom before the finale of Kaun Banega Crorepati. Big B tweeted 'And before the finale .. it was 'Swach Bharat Abhiyaan' .. went on the streets and broomed and collected dirt to clean up the place' He