Candidates can effectively utilize the Internet for UPSC preparation by accessing vast resources, including online courses, lectures, and study materials from reputed coaching institutes. Engaging with platforms like YouTube and educational websites broadens knowledge on core topics. Furthermore, utilizing online forums for discussions and doubt resolution enhances collaborative learning and peer support. Keeping updated with current affairs through reliable news sources and government portals is equally crucial. Structuring a focused and disciplined approach to online study ensures candidates maximize their potential.