The Preliminary examination holds significant weight in the overall selection process for UPSC. It acts as a filtering mechanism, determining candidates who advance to the mains and interview stages. Therefore, performing well in this exam is crucial, as it sets the foundation for further evaluations. Preparation for the Preliminary examination emphasizes knowledge of general studies and current affairs, considering the multiple-choice format. The outcome impacts a candidate's trajectory within the competitive landscape, highlighting the need for strategic preparation and a solid command over relevant subjects for success in subsequent stages.