Staying updated with current affairs relevant to the UPSC exam can be achieved through various reliable sources. Candidates should regularly read newspapers, such as The Hindu or Indian Express, for in-depth coverage of national and international issues. Additionally, subscribing to reputed magazines and utilizing online platforms for daily news updates can be beneficial. Joining group discussions, participating in online forums, and following credible social media channels also keep candidates informed. Maintaining organized notes on current affairs helps in better retention and effective revision for the examination.