To sit for the UPSC civil services exam, candidates need a graduate degree from a recognized university. This qualification allows candidates to appear for the exam irrespective of their discipline. Both engineering, arts, and science graduates are eligible. Additionally, candidates must be between the age of 21 and 32 years, with certain relaxations based on categories. Candidates preparing for the exam should also comply with other UPSC guidelines, including the number of attempts based on their category. Thorough understanding of these qualifications is essential for aspiring civil servants.