Understanding the Indian judicial system is beneficial for aspirants as it contributes to a better grasp of laws, legal principles, and governance questions appearing in the UPSC exam. A well-rounded knowledge of the judiciary enables candidates to tackle related issues in both the prelims and mains effectively. Additionally, this understanding aids in critical thinking and forming nuanced opinions during the interview process. Familiarity with landmark judicial decisions and their societal impacts can enhance overall performance, showcasing the candidate's awareness of current affairs related to the legal framework.