Aspirants can enhance their reading comprehension skills for UPSC by regularly practicing reading diverse materials, including newspapers, journals, and reports. It is crucial to develop the ability to quickly identify main ideas and supporting details. Utilizing methods such as summarizing paragraphs or sections can help in retaining the overall gist of the material. Additionally, practicing previous year questions or mock tests can familiarize candidates with exam formats. Engaging in discussions about readings can further solidify understanding. Overall, consistent practice and varied exposure can significantly improve comprehension skills.