To succeed in the UPSC Mains Examination, aspirants must develop essential skills like critical thinking, effective writing, and analytical reasoning. Mastery of the syllabus and understanding diverse topics is crucial. Practicing answer writing, grasping current affairs, and fostering time management are vital. Furthermore, aspirants should improve their articulation and develop the ability to present their arguments logically and coherently. Regularly revising notes and engaging in self-assessment can further enhance competency, confidence, and overall preparedness for the examination.