Successful candidates often recommend a range of resources to newcomers in UPSC preparation. Key recommendations include foundational books such as NCERTs and standard reference books pertaining to each subject. Many suggest utilizing online platforms for current affairs and mock tests. Resources like YouTube channels or dedicated UPSC apps can also be beneficial for interactive learning. Joining forums or study groups allows for shared insights and strategies. Overall, it is crucial for aspirants to explore diverse resources and adapt recommendations to fit their individual study styles.