All of the mentioned films, Masaan, Article 15, and Sairat, are known for their powerful portrayal of the caste system and its impact on society.

Kamal Haasan is known for his outspoken criticism of the caste system and his efforts to promote social equality. He has often used his platform as a public figure to speak out against discrimination and injustice.

Bombay is considered a landmark in the history of Indian cinema for its portrayal of inter-caste marriage. The film tells the story of a Hindu man and a Muslim woman who fall in love and face societal opposition to their relationship.

Mani Ratnam, Satyajit Ray, and Mira Nair are all known for their films that explore the themes of caste and social inequality. Their films often depict the struggles and experiences of marginalized communities in India.

Chandni Bar is known for its depiction of the Devadasi system and its impact on women's lives. The film tells the story of a young woman who is forced into prostitution after her mother dies and leaves her in debt.

Anbe Sivam is known for its portrayal of the caste system in rural India and its impact on the lives of Dalits. The film tells the story of a Dalit man who fights against discrimination and injustice in his village.

My Name Is Khan is known for its depiction of the caste system in urban India and its impact on the lives of middle-class families. The film tells the story of a Muslim man who faces discrimination and prejudice after the 9/11 attacks.

Chak De! India is known for its portrayal of the caste system in the context of sports and athletics. The film tells the story of a women's hockey team that overcomes discrimination and prejudice to win the World Cup.

Taare Zameen Par is known for its portrayal of the caste system in the context of education and social mobility. The film tells the story of a dyslexic boy who faces discrimination and prejudice in school, but eventually overcomes these challenges with the help of a supportive teacher.

Sarkar is known for its portrayal of the caste system in the context of politics and power. The film tells the story of a powerful politician who uses his influence to manipulate the lives of others.

Oh My God! is known for its portrayal of the caste system in the context of religion and spirituality. The film tells the story of a man who sues God for causing natural disasters and destroying his property.

Page 3 is known for its portrayal of the caste system in the context of the media and entertainment industry. The film tells the story of a young woman who tries to make it in the world of journalism, but faces discrimination and prejudice because of her caste.

Corporate is known for its portrayal of the caste system in the context of the corporate world and business. The film tells the story of a young man who faces discrimination and prejudice in his workplace because of his caste.

Article 15 is known for its portrayal of the caste system in the context of the legal system and justice. The film tells the story of a police officer who investigates a case of caste-based discrimination and violence.

Border is known for its portrayal of the caste system in the context of the armed forces and military. The film tells the story of a group of soldiers from different castes who come together to defend their country during a war.