Yes, candidates from outside India can apply for the UPSC Civil Services Examination under specific conditions. This typically includes those who are of Indian origin or have completed their education in India. They must meet the eligibility criteria, including age limits and educational qualifications, similar to Indian candidates. It is essential for these candidates to understand the application process and any additional requirements that may apply. The inclusion of candidates from diverse backgrounds enriches the civil services, promoting a more inclusive and representative administrative body.