The paper in the UPSC Mains that is mandatory for all candidates is English Language paper. This paper aims to evaluate candidates' proficiency in the English language, assessing their ability to comprehend and articulate thoughts clearly. It includes comprehension passages, essay writing, and formatting tasks, helping to gauge fundamental language skills crucial for public administration roles. The English Language paper is pivotal in ensuring that all candidates possess the requisite communication skills vital for effective function in civil services.