Strategies to develop a candidate's tenacity and resolve during UPSC preparation include setting clear goals and maintaining a disciplined study schedule. Breaking down the syllabus into manageable sections can create achievable milestones, fostering a sense of accomplishment. Creating a supportive study environment and surrounding oneself with motivated peers can enhance accountability and resilience. Practicing positive self-talk and visualizing success can build mental toughness. Regular reflections on progress and setbacks help bolster motivation and reinforce commitment, making it easier for candidates to persevere through challenges in their UPSC preparation journey.