Aspirants can create an effective study plan for the UPSC exam by following a structured approach. This involves setting clear goals and timelines while breaking down the syllabus into manageable sections. Creating a daily and weekly timetable can help prioritize subjects and allocate adequate time for revision. Including time for current affairs and optional subjects is crucial, along with regular assessments through mock tests. Incorporating breaks and ensuring a balanced lifestyle is essential for maintaining motivation and reducing burnout throughout the preparation phase.