Cultural knowledge benefits candidates in the UPSC context by enabling them to better appreciate India's diversity and social fabric. It allows aspirants to approach topics related to history, sociology, and anthropology with a more nuanced perspective, enhancing the quality of their answers. Understanding cultural dynamics can also enrich discussions in interviews, as candidates can draw on their insights related to traditions, festivals, and regional issues. This cultural competence is vital for effective public service and governance in a multicultural society like India.