UPSC provides several guidelines regarding the preparation of the Main Examination. It emphasizes a thorough understanding of the syllabus and recommends that candidates review previous years’ question papers to familiarize themselves with expected formats and topics. The commission also suggests that candidates select their optional subject based on interest and strengths. Additionally, it is important to remain updated on current affairs, as they can link back to the subjects covered. Effective time management and regular answer writing practice are crucial for developing the skills needed for scoring well in the Mains.