Aspirants focusing on key historical milestones in Indian independence should prioritize events like the Non-Cooperation Movement, Quit India Movement, and key legislations such as the Government of India Act 1935. Understanding the roles of prominent leaders like Gandhi, Nehru, and Ambedkar, along with regional movements and the impact of World Wars, provides a comprehensive narrative. Delving into the socio-political climate helps aspirants connect historical events with contemporary issues, enhancing critical thinking. This contextual knowledge is vital for a nuanced understanding of India's independence struggle in the UPSC examination.