The chapter discusses the evolution of nationalism in India from the 1870s to 1947, highlighting the emergence of political associations, the role of the Indian National Congress, and the radical shift in strategies as various groups mobilized against British rule. It emphasizes major events such as the partition of Bengal, the rise of the Swadeshi movement, the impact of World War I, and the significant contributions of leaders like Mahatma Gandhi and Subhas Chandra Bose, culminating in the Indian independence movement and the subsequent partition of the country.