His first film as a director in Tamil cinema was Vidiyum Munn (2013), a neo-noir crime thriller.
The film released to critical acclaim despite being a box office failure.
A critic wrote that "Director Balaji undoubtedly is at the top of his game".
[3] According to Balaji Kumar, "We have made Vidiyum Munn like a new generation film for a matured audience.
[4] After working on scripts, he returned after ten years with Kolai (2023), which is a based on a real incident that took place in New York in 1923.