Candidates can utilize online platforms for UPSC preparation by accessing a wealth of resources, including video lectures, notes, and practice tests. Websites, YouTube channels, and educational apps provide interactive content covering the entire syllabus. Engaging in online forums or social media groups allows aspirants to share knowledge and discuss doubts with peers. E-learning platforms sometimes offer structured courses and expert mentorship. Moreover, candidates can stay updated on current affairs through digital magazines and newsletters, making online resources a crucial asset in their preparation.