Balasubramaniem started his career by assisting noted cinematographer P.C. Sreeram for nearly 5 years, in award-winning films like Thevar Magan (1992), Thiruda Thiruda (1993) and Kuruthipunal (1995). Finally he made his independent debut as Director of Photography (DOP) with Kamal Hassan's Hindi version of Magalir Mattum titled Ladies only which was not released and later received acclaim for historical film, Vaatakudi Eranian. He did many films afterwards the prominent ones being Pithamagan, Thambi and 180. Source: Wikipedia.