Everything you need to know before you begin — eligibility, stages, syllabus, attempt limits, and what the exam actually demands.
The Civil Services Examination is conducted annually by the Union Public Service Commission to recruit officers for the Indian Administrative Service (IAS), Indian Police Service (IPS), Indian Foreign Service (IFS), and over 20 other Group A and B services of the Government of India.
| Criteria | General | OBC | SC/ST |
|---|---|---|---|
| Minimum age | 21 years | 21 years | 21 years |
| Maximum age | 32 years | 35 years | 37 years |
| Attempts | 6 | 9 | Unlimited (till age limit) |
| Education | Graduation from any recognised university (any subject, any stream) | ||
| Nationality | Indian citizen (IAS/IPS/IFS) · Some services open to Nepal/Bhutan nationals | ||
| Paper | Subject | Marks |
|---|---|---|
| Prelims GS 1 | History · Geography · Polity · Economy · Environment · Science · Current Affairs | 200 |
| Prelims CSAT | Comprehension · Reasoning · Basic Numeracy · Data Interpretation | 200 (qualifying — 33%) |
| Mains GS 1 | History · Geography · Society | 250 |
| Mains GS 2 | Polity · Governance · Constitution · IR | 250 |
| Mains GS 3 | Economy · Technology · Environment · Security | 250 |
| Mains GS 4 | Ethics · Integrity · Aptitude | 250 |
| Essay | Two essays · Any topic | 250 |
| Optional (Paper 1 + 2) | Your chosen subject from 48 options | 500 |
Language papers (English + one Indian language) are qualifying only and not counted in merit.
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