T. R.Sundaram was an Indian film actor, director, and producer. He is the founder of the Salem-based movie production company The Modern Theatres Ltd.Mr.T.R.Sundaram split with Velayutham after a few years and set up his own production company The Modern Theatres Ltd. The first film produced under the banner of Modern Theatres was Sathi Ahalya in 1937. The next year in 1938, Mr.T.R.Sundaram produced the Malayalam talkie Balan. He was instrumental in giving MGR his first major solo box office hit in Manthirikumari. It catapulted MGR to greater name and fame.They followed it up with Sarvadhikari which became highest grosser in 1951.