Candidates can effectively utilize newspapers for UPSC preparation by following a structured approach. First, it's essential to focus on national and international news that relates to current affairs, highlighting significant events, policies, and governmental actions. Maintaining a journal or notes based on articles can help in consolidating knowledge. Additionally, understanding the issues' contextual aspects allows candidates to formulate informed opinions. Engaging in discussions, both online and offline, can further deepen comprehension. Finally, utilizing editorial pieces can enhance analytical skills, which are crucial for the mains exam and interview preparation.