In the 1987 film 'Nayagan', the character 'Muthu' (played by Kamal Haasan) challenges the caste system by marrying a woman from a lower caste, breaking societal norms and prejudices.

The 1988 film 'Salaam Bombay!' delves into the theme of caste discrimination and untouchability through the experiences of a young Dalit boy named Krishna, highlighting the harsh realities faced by marginalized communities in India.

Ritwik Ghatak, a renowned Bengali filmmaker, is known for his poignant exploration of caste oppression and social injustice in his films, such as 'Meghe Dhaka Tara' (1960) and 'Subarnarekha' (1965).

The 2019 film 'Article 15' features a Dalit woman named Aditi (played by Ayushmann Khurrana) who fights against upper-caste oppression and seeks justice for the victims of caste-based violence.

The 1992 film 'Roja' tells the story of a young couple from different castes, Roja (played by Madhoo) and Rishi (played by Arvind Swami), who face societal pressures and challenges due to their inter-caste marriage.

The 2003 Tamil film 'Anbe Sivam' explores the issue of caste discrimination in rural India and the struggles faced by Dalit communities, highlighting the need for social change and equality.

The 2016 Marathi film 'Sairat' features a Dalit protagonist named Parshya (played by Akash Thosar) who challenges the caste system and fights for his love and rights, sparking a social movement against caste-based discrimination.

Mani Ratnam, a renowned Indian filmmaker, is known for his realistic portrayal of caste dynamics and social issues in his films, such as 'Nayagan' (1987), 'Roja' (1992), and 'Bombay' (1995).

The 2019 film 'Article 15' features a group of Dalit women who fight against caste-based discrimination and violence, seeking justice and equality for their community.

The 2014 film 'Ankhon Dekhi' explores the theme of caste discrimination in urban India and the challenges faced by Dalit migrants, highlighting the persistence of caste prejudices in modern society.

The 2016 film 'Dangal' features a Dalit character named Mahavir Singh Phogat (played by Aamir Khan) who rises to a position of power as a wrestling coach and challenges the existing caste hierarchy by training his daughters to become world-class wrestlers.

The 2007 film 'Taare Zameen Par' explores the theme of caste discrimination in the education system and the struggles faced by Dalit students, highlighting the need for inclusive and equitable education.

The 2013 film 'Bhaag Milkha Bhaag' features a Dalit protagonist named Milkha Singh (played by Farhan Akhtar) who fights against caste-based violence and seeks justice for his community, while also pursuing his dream of becoming a world-class runner.

The 2014 film 'PK' explores the theme of caste discrimination in the workplace and the challenges faced by Dalit employees, highlighting the need for equal opportunities and fair treatment in the job market.

The 2014 film 'Mary Kom' features a Dalit character named Mary Kom (played by Priyanka Chopra) who challenges the caste system by becoming a successful boxer and winning multiple world championships, breaking societal barriers and stereotypes.