Recently, it has been heard that Arun Rangachari has acquired the rights of author Farrukh Dhondy's book titled The Bikini Murders that is reportedly based on the story of Sobhraj. The book represents the live of Charles to the core. Says our source, "Earlier attempts at making a Sobhraj biopic have failed because of the quick reaction from his lawyers. But now the hurdle seems to have been circumvented with the acquisition of rights." The hunt to find the perfect on-screen Charles is on.