UPSC aspirants commonly utilize various resource platforms to enhance their preparation. Key among these are online platforms like Unacademy, Byju's, and the ClearIAS mobile app, which offer video lectures and study materials. Additionally, aspirants rely on forums such as ForumIAS and Pagalguy to exchange notes and discuss strategies. Traditional resources include NCERT textbooks and recommended standard books like Indian Polity by M. Laxmikanth. Aspirants also follow reputable YouTube channels and participate in mock tests provided by coaching institutes to gauge their progress and readiness for the exam.