Idhu Nijama (English: Is This True?) is a 1948 Tamil-language thriller film directed by Krishna Gopal and produced by S. Soundararajan Ayyengar. The film dialogue was written by V. Seetharaman. The film script was written by S. Balachander as well as the music, an asset to the film. The film starred S. Balachandar (as twins), Sarojini and Kumari N. Rajam, playing lead, with V. Seetharaman, Manuel, Pattammal and A. S. Nagarajan playing supporting roles. This film was inspired by the American Classic film Wonder Man (1945). Decades later, Kamal Hassan's Kalyanaraman was heavily inspired by Wonder Man and Idhu Nijama. The film was ran successfully in many centres.