The choice of revision technique for UPSC preparation is influenced by factors like each candidate's learning style, retention capability, and time availability. Visual learners may gravitate towards mind maps or infographics, while auditory learners benefit from discussing topics aloud. The urgency of the exam date can also dictate rapid revision strategies, emphasizing active recall or intensive practice tests. Adapting techniques like spaced repetition or thematic revision based on strengths and weaknesses allows a personalized approach, optimizing memory recall when preparing for the exam.