HYDERABAD: Ramoji Film City, promoted by the Eenadu newspaper group, has been declared as the world's largest film studio complex by Guinness World Records. In a certificate, the global records monitoring organisation, said the studio comprised 47 sound stages. Spread over 1,666 acres near Hyderabad. The studio was opened in 1996. In a press release, a film city official said that the studio offered all services that go into filmmaking.