The UPSC final rank list determines the allocation of services such as IAS, IPS, IFS, and other Group A/B posts. It is calculated based on combined marks of Mains (counted papers) and Interview (Personality Test).

Understanding this calculation helps aspirants anticipate results, plan service preferences, and analyze performance for future attempts if needed. Prelims marks are not included, while category-wise preferences influence final service allocation.
The final stage of UPSC Civil Services Examination involves the declaration of a merit-based rank list. This rank list determines which candidates are selected for which services and is based on transparent rules combining Mains and Interview performance.
The UPSC final rank list is calculated using:
Mains Examination Marks
Total marks from 7 papers considered for merit:
Interview (Personality Test) Marks
Note: Prelims marks do not count in final rank; they are only qualifying.
This shows the primary importance of Mains performance, though Interview can influence close-call cases.
Reservation policies apply as per Government of India rules:
Final rank list determines allocation of services based on:
Higher-ranked candidates get preferred services, while lower-ranked candidates may get remaining vacancies.
Conclusion
The UPSC final rank list calculation is transparent and merit-driven, combining Mains and Interview marks. Prelims serves only as a qualifier. Understanding the weightage, category considerations, and service allocation rules allows aspirants to anticipate outcomes, plan preferences, and prepare better for future attempts if needed.