Candidates can improve their general knowledge for the UPSC exam by regularly reading newspapers, magazines, and online resources dedicated to current affairs. Engaging in quizzes and discussions can also reinforce learning. It is advisable to maintain a dedicated notebook for important news, events, and facts. Using resources like Yearly Current Affairs compilations helps consolidate information effectively. Embracing multimedia resources, such as podcasts and documentaries relevant to UPSC, can make learning engaging. Regular updates through reliable platforms like PIB and staying informed through multiple perspectives are essential for building a strong general knowledge base.