Historical case studies serve as valuable tools for candidates in the UPSC examination, particularly in crafting answers related to governance, policy impact, and historical analysis. By integrating relevant case studies into their responses, candidates can illustrate their understanding of complex issues and demonstrate analytical thinking. These examples can provide insights into past successes or failures in governance, enabling candidates to make informed arguments. The inclusion of historical contexts not only enriches answers but also showcases a candidate's depth of knowledge and ability to draw lessons from historical events pertinent to contemporary challenges.