Antonio habas prabir das and david williams were our protagonists

It seems like you're referring to a story or scenario involving three individuals: Antonio Habas, Prabir Das, and David Williams. Can you please provide more context or information about who these individuals are and what their roles are in the story? Are they characters in a book, movie, or TV show? Are they real people with a specific background or achievement? The more details you provide, the better I can assist you in exploring their story.