Aspirants can develop effective note-taking skills for UPSC studies by employing various strategies. First, use the Cornell method or mind mapping for better organization. Summarizing information in your own words helps with retention. During lectures or while reading, focus on identifying key points and concepts. Regularly reviewing notes enhances understanding and memory. Additionally, consider using digital tools or apps to arrange notes systematically, making them easier to revise. Finally, practicing active recall by self-testing can significantly improve your grasp of the material, leading to more effective exam preparation.