To stay updated on current affairs relevant to UPSC, candidates should regularly read newspapers, focusing on major national and international events. Publications like The Hindu or Indian Express are highly recommended for their analytical depth. Additionally, subscribing to dedicated monthly magazines and online platforms or apps that summarize current affairs can provide quick insights. Following credible social media accounts and participating in online discussion groups can also keep candidates informed. Setting aside time each week to review current affairs is vital for effective retention and application in the exam.