The document summarizes the role of caste in post-independent Indian politics from 1950 to the present. It discusses three phases: 1950-1977 when the Congress party dominated and upper castes supported it; 1977-1989 when non-Congress coalitions formed and middle peasants gained power; and post-1989 when the Other Backward Castes emerged as a political force following the Mandal Commission recommendations. It also examines the impact of policies like reservation, industrialization, and the green revolution on caste dynamics and politics in India.