Challenges of English language proficiency in the UPSC examination include comprehension difficulties and expression of complex ideas. Many aspirants struggle with understanding nuanced language and contextual meanings, which can lead to misinterpretation of questions. Additionally, articulating thoughts clearly and coherently in written form is essential for scoring well, particularly in the essay and interview stages. It is crucial for candidates to develop a strong command over technical vocabulary and practice writing essays or answers regularly. Utilizing language resources and participating in English language courses can significantly improve proficiency.