**What are the key skills that UPSC aspirants should develop during preparation?**

UPSC aspirants must develop several key skills to excel in their preparation. First, analytical thinking is crucial for understanding complex issues and forming coherent arguments. Next, effective writing skills are essential for articulating responses clearly in exams. Additionally, aspirants should enhance their time management abilities to efficiently cover the vast syllabus. Critical reasoning helps in evaluating various perspectives on a topic, while strong communication skills are necessary for discussions and interviews. Moreover, cultivating a habit of reading and note-taking boosts retention and understanding of subjects, forming a strong foundation for the exam.