The importance of cultural references in enriching essay responses for UPSC lies in their ability to illustrate points with relatable examples. Including cultural elements adds depth and perspective to arguments, making them more engaging and convincing. References to literature, history, and social practices can enhance the narrative, demonstrating a candidate's breadth of knowledge and insight. Such inclusions reflect critical thinking and cultural awareness, essential for nuanced analysis. Moreover, drawing on cultural contexts helps frame responses in a relatable manner, enabling examiners to better appreciate the candidates' viewpoints and understanding of diverse societal dynamics.