What role do summits and international agreements play in preparation for UPSC?

Summits and international agreements are vital for International Relations (GS Paper II) and Environment (GS Paper III), serving as dynamic updates to static global themes. They are essential for understanding how India navigates geopolitics and global governance.
In the Prelims, these topics are high-yield for factual questions. You must master specific details like member nations, headquarters, and major declarations (e.g., the New Delhi Declaration).
In the Mains, citing recent summits like the G20, BRICS, or COP provides the analytical "fodder" needed to discuss India’s leadership in the Global South or its role as a "Vishwa Mitra."
To study them effectively, focus on the major outcomes and binding treaties rather than just the venue. Always analyze these events from an "India-centric" perspective, assessing how they impact our national security, trade, and energy interests. Furthermore, link these summits to static frameworks like WTO rules or the Paris Agreement to demonstrate a holistic understanding. Integrating mapping by locating participating countries on an Atlas is also crucial for geography-based questions.