Aspirants can build effective study habits for the long-term UPSC journey by establishing a well-defined study schedule that prioritizes routine and balance. It's crucial to set realistic goals and break down the syllabus into manageable sections. Incorporating active learning techniques like summarization and self-testing can enhance retention. Additionally, staying physically active and ensuring mental well-being through breaks and relaxation techniques are vital. Moreover, regularly reviewing and adjusting study plans based on progress helps to maintain motivation and adaptability throughout the challenging preparation process.