While the actor has released a book narrating the story of his brave heart, Ayaan’s battle moved Amitabh Bachchan so much that he personally penned down a letter for him. Amitabh’s act obviously moved Emraan and his family and the actor took to twitter …

While the actor has released a book narrating the story of his brave heart, Ayaan’s battle moved Amitabh Bachchan so much that he personally …