Aspirants can improve their answer writing skills for UPSC mains through consistent practice and feedback. They should focus on structuring answers clearly with a concise introduction, a detailed body, and a definitive conclusion. Time-bound practice sessions can enhance writing speed and clarity. Analyzing previous year’s answer sheets and understanding the marking schemes can provide insights into what examiners expect. Moreover, engaging with peers for constructive feedback can further refine writing styles and techniques, enabling aspirants to express their ideas effectively in the examination.