He started acting at an early age, when he performed in school plays and amateur theatre shows.

[4] Balaji soon understood that he was better off playing a villain or the hero's understudy with a negative angle in films that included Padithaal Mattum Podhumaa, Bale Pandiya, En Kadamai and Thillana Mohanambal.

In the 1960s, after coming into contact with top Hindi actors such as Ashok Kumar, Dilip Kumar and Tamil stars Sivaji Ganesan, Gemini Ganesan and actress Savithri, he began to remake Hindi hits in Tamil.

His first production was Annavin Aasai, a remake of Chand Aur Sooraj directed by Dulal Guha.

He then went on to remake popular Hindi films such as Dushman (1971) and Namak Haraam (1973) both starring Rajesh Khanna, Deewaar (1975), and Qurbani.