UPSC Selection Process: Prelims, Mains, Interview and Final Selection

The UPSC Civil Services Examination is conducted in successive stages to select candidates for various civil services and posts. The UPSC exam stages include Prelims for screening, Mains with written papers and an Interview/Personality Test. Each stage serves a different purpose, and candidates must qualify for the applicable stage to progress through the examination.

Understanding the UPSC selection process helps aspirants prepare for the different requirements of Prelims, Mains and the Interview/Personality Test. Each stage has its own examination pattern, qualifying criteria and role in the final selection. PW supports your preparation with online UPSC batches, lectures and learning resources to help you prepare for the different stages.

Selection Criteria of the UPSC Civil Services Examination: Stage-wise

The UPSC Civil Services Examination has three stages: Preliminary Examination (Prelims), Main Examination (Mains) and Interview/Personality Test. Prelims is the screening stage, Mains consists of the written examination, and the Interview/Personality Test is the final stage. Candidates must qualify at each applicable stage to progress through the selection process.

Candidates who qualify Prelims can appear for Mains, subject to the applicable eligibility conditions. Candidates who obtain the minimum qualifying marks prescribed by the Commission in the written Mains examination are summoned for the Interview/Personality Test.

Stage 1: UPSC Preliminary Examination

The UPSC Prelims is an objective-type screening examination. It consists of two compulsory multiple-choice question papers, each carrying 200 marks and lasting two hours.

How Does UPSC Prelims Qualification Work?

• CSAT qualifying marks: Candidates must score at least 33% in General Studies Paper II.

• GS Paper I: Candidates must meet the Prelims cutoff determined by UPSC for the examination year. Scoring the qualifying minimum in CSAT alone does not guarantee selection for Mains.

• Negative marking: One-third of the marks assigned to a question is deducted for an incorrect answer.

• Multiple answers: Selecting more than one option for a question is treated as an incorrect answer and attracts the same penalty.

• Unanswered questions: No marks are deducted for questions left blank.

• Prelims marks: Marks obtained in Prelims are not counted when determining the final order of merit.

The number of candidates admitted to Mains is approximately 12 to 13 times the total approximate vacancies for that examination year. Only candidates declared qualified in Prelims are eligible to appear for that year's Mains, subject to the other eligibility requirements.

PW UPSC CSE Online Batches

Stage 2: UPSC Main Examination

The UPSC Mains examination consists of nine conventional essay-type written papers. Two papers are qualifying in nature, while seven compulsory papers are counted for merit.

UPSC Mains Paper Pattern

The two qualifying papers carry 300 marks each, but their marks are not included in the final ranking. The seven merit papers contribute 1,750 marks.

What Are the Qualifying Requirements for UPSC Mains?

• Candidates must meet the minimum qualifying marks prescribed by the Commission in the written Mains examination to be summoned for the Interview/Personality Test.

• The Indian language and English papers are of Matriculation or equivalent standard and are qualifying in nature.

• Candidates must secure at least 25% of the maximum marks in each qualifying language paper—Paper A (Indian Language) and Paper B (English)—for their Essay, General Studies and Optional Subject papers to be considered for evaluation, subject to the applicable UPSC rules and exemptions.

• Paper A on an Indian language is not compulsory for candidates from Arunachal Pradesh, Manipur, Meghalaya, Mizoram, Nagaland and Sikkim, subject to the stated rules.

• An exemption from Paper A may also apply to eligible candidates in the specified hearing-impairment sub-category who meet the prescribed conditions.

Candidates should check the applicable UPSC notification for the complete eligibility and exemption rules.

Stage 3: UPSC Interview or Personality Test

The UPSC Interview, also called the Personality Test, is the final examination stage. Candidates who secure the minimum qualifying marks prescribed by the Commission in the written Mains examination are called for this stage.

The Personality Test carries 275 marks, and there is no separate minimum qualifying mark for it. The number of candidates summoned is approximately twice the number of vacancies to be filled.

What Does the UPSC Interview Assess?

The Personality Test assesses a candidate's suitability for public service. The Interview Board has access to the candidate's career record and asks questions on matters of general interest.

The qualities assessed include:

• Mental alertness

• Critical powers of assimilation

• Clear and logical exposition

• Balance of judgement

• Variety and depth of interest

• Social cohesion

• Leadership

• Intellectual and moral integrity

The interview is intended to be a natural, directed and purposeful conversation rather than a strict cross-examination. It is not designed as a test of specialised or general knowledge already examined in the written papers. However, candidates should take an intelligent interest in current events in their state, country and the world, along with modern currents of thought and new discoveries.

How Is the UPSC Final Selection Done?

The UPSC final selection is based on the marks obtained in the seven Mains written papers counted for merit and the Interview/Personality Test.

Prelims marks and marks from the two qualifying Mains papers are not counted in this total.

How Are Services Allocated After the Final Ranking?

Candidates are allotted to the various services based on their final rank and the preferences they have expressed for services and posts. Final ranking and service allocation are related, but they are not the same step.

What Happens If Two Candidates Get Equal Marks?

The UPSC rules specify the following tie-breaking order:

1. The candidate with more combined marks in the common Mains papers (Essay and General Studies I–IV) and the Personality Test is ranked higher.

2. If the tie remains, the candidate with more marks in the common Mains papers (Essay and General Studies I–IV) is ranked higher.

3. If the tie continues, the older candidate is ranked higher.

4. If the tie persists, the Commission resolves it at its discretion.

How to Prepare for Each Stage of the UPSC Selection Process?

Your preparation should reflect the different requirements of Prelims, Mains and the Interview/Personality Test.

• Prelims: Practise objective questions, revise the syllabus and work on accuracy to account for negative marking.

• Mains: Practise conventional written answers, develop clear explanations and revise Essay, General Studies and optional subjects.

• Interview: Build awareness of current events, understand your background and practise explaining your views clearly and logically.

• Across all stages: Review mistakes, revise regularly and check the latest UPSC notification for examination-specific rules.

Understanding the UPSC Selection Process helps you plan preparation for Prelims, Mains and the Interview/Personality Test according to the requirements of each stage. Remember that Prelims is only a screening test, while the final ranking is based on 1,750 Mains merit marks and 275 interview marks. To help you prepare for each stage, PW offers UPSC batches, lectures, mock interviews and learning resources alongside regular revision and practice.