Factors contributing to the development of high-quality answers in the mains UPSC examination include clarity of thought, structured responses, and depth of analysis. Candidates should prioritize a coherent format, ensuring each answer has a clear introduction, body, and conclusion. Utilizing relevant examples, data, and illustrations can further substantiate arguments, showcasing an in-depth understanding of the topic. Additionally, adhering to word limits and practicing efficient time management during the exam can enhance answer quality. Consistent practice and feedback from mentors also play crucial roles in refining writing skills and addressing weaknesses.