Union Public Service Commission

UPSC CSE: PYQs, syllabus & current affairs

Civil Services Examination. Every syllabus line links to its previous-year questions, explainers and news.

Official syllabus

UPSC CSE syllabus, line by line

Every line of the official notification with a plain-language note, PYQs, explainers and current affairs.

UPSC exam pattern

From the official notification. Always re-check the current year's notice.

Prelims (objective)

PaperFormatNote
GS Paper I100 Q · 200 marks · 2 hCounts for merit
GS Paper II (CSAT)80 Q · 200 marks · 2 hQualifying, 33%

Negative marking: one-third of the marks for that question, per wrong answer.

Mains (descriptive)

PaperMarksNote
Paper A: Indian language300Qualifying
Paper B: English300Qualifying
Essay250
GS I: Heritage, culture, history, geography, society250
GS II: Governance, Constitution, polity, social justice, IR250
GS III: Technology, economy, environment, security, disaster management250
GS IV: Ethics, integrity & aptitude250
Optional Paper I250
Optional Paper II250

Written 1750 + Personality Test 275 = 2025 marks

Exam guide

Eligibility, pattern, dates, cut-offs and a beginner plan. Facts from official notifications.

Syllabus topic map

PYQ trends

Latest with a UPSC angle

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GS2/GS3 · Consumer protection · Internal security

CCPA acts against online sale of explosives: 3,940 sellers delisted from seven platforms

The Central Consumer Protection Authority (CCPA) said on 19 October 2026 that 3,940 sellers of regulated explosives such as ammonium nitrate, picric acid and PETN have been delisted from seven online platforms after its action. It has fined Dial4Trade and ExportersIndia ₹10 lakh per order, and other cases are under hearing or investigation.

UPSC angle: Prelims: CCPA, PESO, CPA 2019 sections, helpline 1915. · Mains GS-II/III: platform liability and security.

19 Oct 2026
GS2/GS3 · IR · Infrastructure

China to impose export controls on tunnel boring machines from 18 November: what it means for India

On 19 October 2026 China’s Commerce Ministry announced export controls on tunnel boring machines (TBMs) and related items from 18 November, calling them clearly dual-use. India imports TBMs for metro, rail and border tunnels and has faced customs delays on Chinese machines since 2024. China also announced controls on some drones.

UPSC angle: Prelims: export control regimes, SCOMET, Wassenaar, MTCR. · Mains GS-II/III: China dependence and supply-chain resilience.

19 Oct 2026
GS2 · International relations

India rejects OIC’s Baghdad resolutions on Jammu and Kashmir as ‘malicious, biased and false’

On 19 October 2026 the Ministry of External Affairs rejected references to India in resolutions adopted at the Organisation of Islamic Cooperation (OIC) Council of Foreign Ministers in Baghdad on 17–18 October. It called them ‘malicious, biased and false’, said Pakistan orchestrated them, and said the OIC has no locus standi on India’s internal matters.

UPSC angle: Prelims: OIC facts, J&K Reorganisation Act, UN Charter Article 2(7). · Mains GS-II: India, OIC and Pakistan.

19 Oct 2026