Candidates can critically evaluate sources of information while preparing for UPSC by verifying their authenticity and credibility. Relying on reputable sources such as government publications, academic journals, and established news outlets minimizes the risk of misinformation. Cross-referencing facts with multiple sources strengthens understanding and reveals diverse perspectives. Additionally, aspirants should be wary of biases in certain materials, applying critical thinking to assess the intent and accuracy of the content. Maintaining a well-curated list of reliable resources can significantly enhance the quality of study material and ensure informed preparation.