While preparing for the preliminary exam, candidates should focus on clarity and accuracy of concepts. Emphasis should be placed on understanding the syllabus thoroughly, especially key areas like history, polity, and environment. Regular practice of mock tests and previous years' papers is essential to identify strengths and weaknesses. Time management during preparation and practice exams can help simulate actual test conditions. Actively following current affairs and their relevance to the syllabus also enhances preparation efficiency and effectiveness.