Strategies for grasping the extensive political theory content for UPSC include segmenting the material into manageable parts and employing active learning techniques. Using mind maps to visualize relationships between theories and concepts can aid retention. Regular discussions with peers or mentors can clarify complex ideas and offer diverse insights. Furthermore, applying theoretical concepts to real-world scenarios through case studies enhances understanding. Incorporating revision techniques and engaging in mock tests can solidify learning and help candidates internalize core principles effectively.