Churul (1970)

When a retired police officer is murdered, the case takes an unexpected turn when Sathyan, a distressed man with a history of mental health issues, confesses. As the investigation unfolds, it exposes many painful realities from Sathyan's life as a Dalit, revealing the deep-rooted caste discrimination and societal prejudice. The story explores the complexities of his life and the injustice he faced.