Understanding complex legal topics for the UPSC can be enhanced through a few effective techniques. First, candidates should break down legal concepts into manageable sections, using simplified language or diagrams to visualize relationships and processes. Engaging with case law and landmark judgments aids in grasping the practical application of law. Regularly discussing with peers or mentors helps clarify doubts and gain multiple perspectives. Additionally, using concise summaries or mnemonic devices can facilitate remembrance of key legal principles and sections. Consistency in revisiting such topics will further solidify comprehension and retention for the examination.