Scales of Justice)[1] is a 1989 Indian Tamil-language film, directed by K. Rajeshwar, making his directorial debut, starring Nizhalgal Ravi and Radha.

[2] The film revolves around a woman who puts her commitment to social activism above everything else, including her love for an adoring man.

She is serving life sentence in the central jail, Kannore, after being charged for the murder of Paramanandham, a landlord, who she had seen kill a young tribal woman after she was raped and impregnated by him.

But her younger brother, Bose, who is unemployed and drug-addicted, is angered by her presence, blaming her for his inability to secure a good job.

True to her righteous self, Bharathi shoots Nagappan with his hunting rifle and ultimately surrenders herself at the police station.

Nyaya Tharasu marked the directorial debut of K. Rajeshwar, who previously wrote scripts for films like Panneer Pushpangal (1981), Kadalora Kavithaigal (1986) and Solla Thudikuthu Manasu (1988).