UPSC candidates can expand their knowledge beyond textbooks through various means. Engaging with current affairs via reputable news sources and journals keeps candidates informed of happening events crucial for the exam. Participating in seminars, webinars, or discussions also enriches understanding and offers practical insights into policies. Additionally, joining study groups encourages collaborative learning and exposes candidates to diverse insights and interpretations. Lastly, leveraging online resources, such as academic papers and expert lectures, can supplement traditional learning, providing a rounded grasp of subjects essential for UPSC preparation.