Common mistakes made by candidates in the UPSC exam include inadequate time management, neglecting current affairs, and lack of clarity in answer writing. Many aspirants fail to analyze the syllabus thoroughly, leading to incomplete preparation. Additionally, some candidates often get overwhelmed with excessive resources, resulting in confusion. Poor revision strategies can lead to forgotten concepts by exam day. Overconfidence or anxiety can also impact performance in the interview stage. Being aware of these pitfalls and strategically addressing them can significantly enhance a candidate's chances of success in the competitive examination.