Proven beneficial study habits for UPSC candidates include a consistent study schedule, breaking down the syllabus into manageable parts, and utilizing a mix of study materials. Techniques like active recall and spaced repetition improve retention and understanding. Creating a dedicated study space free from distractions further enhances focus. Regular self-assessment through mock tests and revision sessions also helps identify strengths and weaknesses, allowing targeted improvements. Overall, a disciplined routine paired with reflective practices is vital for success.