Aspirants can cultivate a diverse knowledge base for UPSC exams by engaging in a variety of study methods and resources. Reading widely across subjects such as history, geography, economics, and current affairs promotes a well-rounded understanding essential for the exam. Regularly following reputable newspapers and journals keeps students updated on relevant topics. Joining discussion groups or forums facilitates exchange of ideas and perspectives, enhancing critical thinking. Additionally, utilizing online resources like video lectures and podcasts can diversify learning formats. Lastly, revisiting and summarizing key points from multiple sources reinforces knowledge retention.