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UPSC Civil Services Examination • Stage-I Prelims

UPSC CSE Prelims Subject-Wise & Full Mock Test Series

A rigorous, multi-tier testing ecosystem designed strictly for the analytical standard of UPSC Civil Services Examination. Practice 9 General Studies Paper I Subjects, 5 CSAT Paper II Modules, authentic question archetypes, and full-length simulated examinations with in-depth statement-by-statement solutions.

9 GS-I Subjects (90 Topics) 5 CSAT Modules (25 Topics) 2 Shifts • 240 Minutes Total +2.0 / -0.66 (GS-I) • CSAT 33% Qualifying Statement-by-Statement Solutions

General Studies Paper I — Merit / Screening Track

100 Objective Questions • 200 Marks • 120 Minutes • +2.00 / -0.66 Negative Marking

Merit Scoring Paper

GS Paper I determines whether you qualify for the Civil Services Main Examination. To reflect authentic UPSC preparation, we partition the vast syllabus into 9 focused subject disciplines with progressive testing: 15Q Foundation Tests → 25Q Advanced Sectionals → 50Q Comprehensive Subject Tests.

Indian Polity & Governance

Standard Books: M. Laxmikanth, D.D. Basu, PRS Legislative Research, Supreme Court Landmark Verdicts
Subject 01 • Weightage: ~13–17 Qs

Comprehensive coverage of Constitution, Preamble, Fundamental Rights, DPSP, Parliament, Judiciary, Federal Structure, Local Self-Government, and Statutory/Regulatory Commissions.

Governor: Constitutional Position, Discretionary Powers (Art 163) & Pardoning Powers (Art 161)
UPSC Standard 20 Qs • 25m Practice (20 Qs)
Money Bills (Art 110) vs Financial Bills (Category I & II) & Joint Sitting (Art 108)
UPSC Standard 20 Qs • 25m Practice (20 Qs)
Writ Jurisdiction: Supreme Court (Art 32) vs High Courts (Art 226), Quo-Warranto & Mandamus
UPSC Standard 20 Qs • 25m Practice (20 Qs)
Fifth Schedule vs Sixth Schedule (Autonomous District Councils in Assam, Meghalaya, Tripura, Mizoram)
UPSC Standard 20 Qs • 25m Practice (20 Qs)
National Emergency (Art 352): Grounds, Written Cabinet Advice & Fundamental Rights Suspension (Art 358/359)
UPSC Standard 20 Qs • 25m Practice (20 Qs)
Election Commission of India (Art 324): CEC & ECs Appointment Act 2023 & Disqualification Opinions
UPSC Standard 20 Qs • 25m Practice (20 Qs)
Delimitation Commission: Constitutional Mandates (Art 82 & 170) & Non-Justiciability of Orders
UPSC Standard 20 Qs • 25m Practice (20 Qs)
Comptroller & Auditor General (CAG - Art 148): Removal, Charged Expenses & Public-Private Partnership Audits
UPSC Standard 20 Qs • 25m Practice (20 Qs)
Anti-Defection Law (Tenth Schedule): Disqualification Rules, Merger Exceptions & Judicial Review (Kihoto Hollohan)
UPSC Standard 20 Qs • 25m Practice (20 Qs)
Finance Commission (Art 280), Inter-State Council (Art 263) & Zonal Councils (States Reorganisation Act 1956)
UPSC Standard 20 Qs • 25m Practice (20 Qs)

History of India & Freedom Movement

Standard Books: NCERTs (Class 6-12), Rajiv Ahir (Spectrum), R.S. Sharma, Satish Chandra, Bipan Chandra
Subject 02 • Weightage: ~12–15 Qs

Covers Ancient India (Indus Valley, Vedic, Buddhism, Jainism, Mauryas, Guptas), Medieval India (Sultanate, Mughals, Vijayanagara, Bhakti/Sufi), and Modern India Freedom Movement (1757–1947).

Indus Valley Civilization: Dholavira Water Harvesting, Lothal Tidal Dockyard & Material Culture
UPSC Standard 20 Qs • 25m Practice (20 Qs)
Early & Later Vedic Assemblies (Sabha, Samiti, Vidatha) & Voluntary Bali vs Compulsory Taxation
UPSC Standard 20 Qs • 25m Practice (20 Qs)
Buddhism: Pratityasamutpada, Anatta Doctrine, Trilakshana & Mahayana Bodhisattva Veneration
UPSC Standard 20 Qs • 25m Practice (20 Qs)
Jainism: Anekantavada, Syadvada, Pudgala Karma Concept & Sectarian Doctrines
UPSC Standard 20 Qs • 25m Practice (20 Qs)
Mauryan Empire: Ashoka Major Rock Edicts, Samaharta vs Sannidhata, Megasthenes Seven Classes
UPSC Standard 20 Qs • 25m Practice (20 Qs)
Sangam Literature: Agam and Puram Genres, Five Tinais (Eco-zones) & Tamil Epics
UPSC Standard 20 Qs • 25m Practice (20 Qs)
Gupta Feudalism: Agrahara Land Grants, Dinara Gold Coinage & Fahien Travel Account
UPSC Standard 20 Qs • 25m Practice (20 Qs)
Delhi Sultanate: Diwan-i-Mustakhraj, Diwan-i-Kohi, Shahna-i-Mandi & Market Regulations
UPSC Standard 20 Qs • 25m Practice (20 Qs)
Vijayanagara Nayankara System, Amuktamalyada & Mughal Mansabdari (Zat and Sawar Ranks)
UPSC Standard 20 Qs • 25m Practice (20 Qs)
Colonial Economy: Drain of Wealth (Naoroji), Government of India Act 1919 (Dyarchy) & 1942 Quit India
UPSC Standard 20 Qs • 25m Practice (20 Qs)

Indian Art & Culture

Standard Books: Nitin Singhania, Class 11 Fine Arts NCERT, CCRT Portal, UNESCO World Heritage
Subject 03 • Weightage: ~6–9 Qs

Visual arts, performing arts, architecture, philosophy, literature, and tangible/intangible cultural heritage of India.

Temple Architecture: Nagara (Curving Shikhara) vs Dravida (Pyramidal Vimana) vs Vesara Styles
UPSC Standard 20 Qs • 25m Practice (20 Qs)
Ancient Sculpture: Gandhara (Grey Schist), Mathura (Spotted Red Sandstone) & Amravati (White Marble)
UPSC Standard 20 Qs • 25m Practice (20 Qs)
Western Indian Caves: Karle Great Chaitya, Viharas & Ajanta Fresco-Secco Murals (Padmapani)
UPSC Standard 20 Qs • 25m Practice (20 Qs)
Classical Dances (8 Forms): Sattriya of Assam, Mohiniyattam Lasya, Kuchipudi Tarangam
UPSC Standard 20 Qs • 25m Practice (20 Qs)
Indian Music: Hindustani Gharana Lineages, Dhrupad vs Carnatic Trinity (Tyagaraja, Dikshitar, Sastri)
UPSC Standard 20 Qs • 25m Practice (20 Qs)
Traditional Theatre & Puppetry: Koodiyattam, Yakshagana, Kathputli, Togalu Gombeyatta, Bommalattam
UPSC Standard 20 Qs • 25m Practice (20 Qs)
Six Schools of Indian Philosophy (Shad-Darshana): Samkhya, Vaisheshika Atomism & Nyaya Epistemology
UPSC Standard 20 Qs • 25m Practice (20 Qs)
Miniature Paintings: Kishangarh Bani Thani, Bundi Chitrashala, Basohli Beetle-Wing & Kangra Folios
UPSC Standard 20 Qs • 25m Practice (20 Qs)
UNESCO Heritage: Kumbh Mela, Yoga, Garba of Gujarat, Chhau & Konark Sun Temple Chariot
UPSC Standard 20 Qs • 25m Practice (20 Qs)
Bhakti Maharashtra Dharma (Varkari, Dnyaneshwari, Tukaram Abhangas) & Classical Language Criteria
UPSC Standard 20 Qs • 25m Practice (20 Qs)

Geography & Mapping

Standard Books: NCERTs (Class 11 & 12), GC Leong (Physical Geography), Orient BlackSwan / Oxford Atlas
Subject 04 • Weightage: ~12–16 Qs

Physical geography, climatology, oceanography, Indian physiography, river systems, agriculture, resources, and map-based geopolitical reasoning.

Earth Interior: P vs S Wave Shadow Zones, Asthenosphere, Moho & Gutenberg Discontinuities
UPSC Standard 20 Qs • 25m Practice (20 Qs)
Atmospheric Circulation: Jet Streams, Subtropical Westerly Jet, Western Disturbances & Somali Jet
UPSC Standard 20 Qs • 25m Practice (20 Qs)
Cyclones: Tropical (Latent Heat, Warm Ocean, Calm Eye) vs Extra-Tropical Temperate Cyclones
UPSC Standard 20 Qs • 25m Practice (20 Qs)
Ocean Currents: Kuroshio, Humboldt Cold Upwelling, Benguela & Oyashio Sub-Arctic Currents
UPSC Standard 20 Qs • 25m Practice (20 Qs)
Strategic Straits: Hormuz, Bab-el-Mandeb, Bosphorus, Dardanelles & Malacca Choke-Points
UPSC Standard 20 Qs • 25m Practice (20 Qs)
Inland Seas Littoral States: Caspian Sea (TARIK Mnemonic: Turkmenistan, Azerbaijan, Russia, Iran, Kazakhstan)
UPSC Standard 20 Qs • 25m Practice (20 Qs)
Peninsular Drainage: Godavari, Krishna, Cauvery, Mahanadi Tributaries & Rift Valley Narmada/Tapi
UPSC Standard 20 Qs • 25m Practice (20 Qs)
Indian Soils: Black Regur Montmorillonite Cracks, Laterite Leaching & Alluvial Khadar/Bhangar
UPSC Standard 20 Qs • 25m Practice (20 Qs)
Himalayan Passes: Nathu La, Shipki La, Zoji La, Lipulekh, Bomdi La & Syntaxial Bends
UPSC Standard 20 Qs • 25m Practice (20 Qs)
Indian Ocean Dipole (Positive vs Negative IOD), Channel Latitudes (10°, 9°, 8°) & Mineral Belts
UPSC Standard 20 Qs • 25m Practice (20 Qs)

Indian Economy & Social Development

Standard Books: Ramesh Singh / Mrunal Patel Notes, Economic Survey, Union Budget, NITI Aayog Reports
Subject 05 • Weightage: ~14–18 Qs

Macroeconomic principles, monetary & fiscal policy, banking, financial markets, external sector, inflation, agriculture economics, and inclusive development.

National Income: GVA at Basic Prices vs GDP at Market Prices & Production vs Product Taxes
UPSC Standard 20 Qs • 25m Practice (20 Qs)
Monetary Policy Corridor: Standing Deposit Facility (Uncollateralized SDF Floor), MSF Ceiling & Repo
UPSC Standard 20 Qs • 25m Practice (20 Qs)
Prompt Corrective Action (PCA Framework): CRAR, Net NPA, Tier-1 Leverage & Mandatory Restrictions
UPSC Standard 20 Qs • 25m Practice (20 Qs)
Insolvency and Bankruptcy Code (IBC 2016): 330-Day CIRP Timeline, NCLT & 66% CoC Voting Threshold
UPSC Standard 20 Qs • 25m Practice (20 Qs)
Fiscal Deficits: Primary Deficit (Fiscal Deficit - Interest Payments) & FRBM Escape Clauses
UPSC Standard 20 Qs • 25m Practice (20 Qs)
Exchange Rates: NEER vs REER (Inflation Differentials & Export Price Competitiveness Dynamics)
UPSC Standard 20 Qs • 25m Practice (20 Qs)
FDI vs FPI: 10% Equity Threshold Rule (Mayaram Committee) & Prohibited Investment Sectors
UPSC Standard 20 Qs • 25m Practice (20 Qs)
GST Council (Art 279A): 75% Weighted Majority, Centre 1/3rd vs States 2/3rd & Excluded Products
UPSC Standard 20 Qs • 25m Practice (20 Qs)
WTO Agriculture Subsidies: Green Box, Blue Box & Amber Box (De Minimis Caps & Bali Peace Clause)
UPSC Standard 20 Qs • 25m Practice (20 Qs)
IMF Special Drawing Rights (SDR Basket), Priority Sector Lending (40% ANBC) & NITI Aayog MPI
UPSC Standard 20 Qs • 25m Practice (20 Qs)

Environment, Ecology & Climate Change

Standard Books: Shankar IAS / PMF IAS, MoEFCC Reports, Down To Earth, IUCN Red List, UNEP / UNFCCC Portals
Subject 06 • Weightage: ~15–18 Qs

Ecosystem energetics, biodiversity conservation, protected area networks, environmental acts, climate treaties, pollution norms, and sustainable development.

Ecological Energetics: Upright Energy Pyramid, Inverted Aquatic Biomass Pyramid & 10% Law
UPSC Standard 20 Qs • 25m Practice (20 Qs)
Biodiversity Hotspots (Myers Criteria: 1,500 Endemic Plants + 70% Habitat Loss) & 4 Indian Hotspots
UPSC Standard 20 Qs • 25m Practice (20 Qs)
Wildlife Protection Amendment Act 2022: Schedules I to IV Rationalization & Vermin Deletion
UPSC Standard 20 Qs • 25m Practice (20 Qs)
Montreux Record: Loktak Lake & Keoladeo National Park (Chilika Lake Removal Success)
UPSC Standard 20 Qs • 25m Practice (20 Qs)
Biological Diversity Act 2002: Three-Tier Structure (NBA, SBB, BMC) & Peoples Biodiversity Registers
UPSC Standard 20 Qs • 25m Practice (20 Qs)
National Air Quality Index (AQI): 8 Monitored Pollutants vs Non-monitored CO2 and Methane
UPSC Standard 20 Qs • 25m Practice (20 Qs)
India Updated NDCs (Panchamrit): 45% Emission Intensity Reduction & 50% Non-fossil Power by 2030
UPSC Standard 20 Qs • 25m Practice (20 Qs)
Conventions: Basel (Hazardous Waste), Rotterdam (PIC), Stockholm (POPs) & Minamata (Mercury)
UPSC Standard 20 Qs • 25m Practice (20 Qs)
Kigali Amendment to Montreal Protocol (HFC Phase-Down: India Group 2 Freeze in 2028)
UPSC Standard 20 Qs • 25m Practice (20 Qs)
IUCN Status: Great Indian Bustard (CR), Gharial (CR), Hangul (CR), Snow Leopard (VU) & Forest Rights Act
UPSC Standard 20 Qs • 25m Practice (20 Qs)

Science & Technology

Standard Books: The Hindu (S&T Section), Science Reporter, ISRO / DRDO Updates, Nature & Scientific American
Subject 07 • Weightage: ~10–14 Qs

Space missions, biotechnology, genetics, quantum computing, AI, semiconductor fabs, defense propulsion, and frontier technologies.

CRISPR-Cas9 Gene Editing: Guide RNA, Cas9 Double-Strand Breaks & Somatic vs Germline Boundaries
UPSC Standard 20 Qs • 25m Practice (20 Qs)
mRNA Vaccines (Lipid Nanoparticles, Cytoplasmic Translation & No Genomic Integration)
UPSC Standard 20 Qs • 25m Practice (20 Qs)
Quantum Technologies: Qubits, Superposition, Entanglement & Quantum Key Distribution (QKD)
UPSC Standard 20 Qs • 25m Practice (20 Qs)
James Webb Space Telescope (JWST): Sun-Earth L2 Orbit, Beryllium Mirror & Infrared Instruments
UPSC Standard 20 Qs • 25m Practice (20 Qs)
India Three-Stage Nuclear Power Programme: PHWR Natural Uranium, FBR Plutonium & Thorium-232
UPSC Standard 20 Qs • 25m Practice (20 Qs)
Missile Tech: Ballistic (Parabolic, Sub-orbital) vs Cruise (BrahMos Air-Breathing Ramjet)
UPSC Standard 20 Qs • 25m Practice (20 Qs)
Hydrogen Energy: Green (Electrolysis Renewable), Grey (Steam Methane), Blue (Methane + CCS)
UPSC Standard 20 Qs • 25m Practice (20 Qs)
CAR-T Cell Therapy (NexCAR19 Autologous T-Cells) & Semiconductor Fabs (EUV Lithography / OSAT)
UPSC Standard 20 Qs • 25m Practice (20 Qs)
ISRO Missions: Aditya-L1 Halo Orbit (VELC Payload) & Cryogenic Rocket Engines (CE-20 Liquid H2/O2)
UPSC Standard 20 Qs • 25m Practice (20 Qs)
Artificial Intelligence Transformers (Self-Attention, Hallucination) & Proof of Work vs Proof of Stake
UPSC Standard 20 Qs • 25m Practice (20 Qs)

International Relations & Global Affairs

Standard Books: Ministry of External Affairs (MEA), Council on Foreign Relations, Observer Research Foundation (ORF)
Subject 08 • Weightage: ~8–12 Qs

Multilateral institutions, UN bodies, strategic regional partnerships, international conventions, security dialogues, and geopolitical treaties.

UNSC Reform: Binding Chapter VII Resolutions, G4 Aspirations & Uniting for Consensus (Coffee Club)
UPSC Standard 20 Qs • 25m Practice (20 Qs)
International Courts: ICJ (Inter-State Disputes) vs ICC (Rome Statute Individual War Crimes Prosecution)
UPSC Standard 20 Qs • 25m Practice (20 Qs)
BRICS Expansion 2024 (Egypt, Ethiopia, Iran, UAE Formal Induction & Argentina Withdrawal)
UPSC Standard 20 Qs • 25m Practice (20 Qs)
Shanghai Cooperation Organisation (SCO): Tashkent RATS, Member Expansions & Working Languages
UPSC Standard 20 Qs • 25m Practice (20 Qs)
Export Control Regimes: MTCR, Wassenaar Arrangement, Australia Group & NSG Consensus Blockage
UPSC Standard 20 Qs • 25m Practice (20 Qs)
UNCLOS 1982: Territorial Sea (12nm), Contiguous Zone (24nm), EEZ (200nm) & International Seabed Authority
UPSC Standard 20 Qs • 25m Practice (20 Qs)
Plurilateral Groupings: Quad (IPMDA), I2U2 Economic Corridors & India-Middle East-Europe (IMEC)
UPSC Standard 20 Qs • 25m Practice (20 Qs)
Financial Action Task Force (FATF): Grey List Increased Monitoring vs Black List High-Risk Call for Action
UPSC Standard 20 Qs • 25m Practice (20 Qs)
Polar Governance: Antarctic Treaty System (Maitri, Bharati) & Arctic Council (Ottawa Declaration, Himadri)
UPSC Standard 20 Qs • 25m Practice (20 Qs)
G20 Troika Mechanism (African Union Induction) & WTO Appellate Body Quorum Vacancy Impasse
UPSC Standard 20 Qs • 25m Practice (20 Qs)

Current Affairs & Contemporary Issues

Standard Books: PIB Releases, PRS India, The Hindu, Indian Express, Yojana & Kurukshetra
Subject 09 • Integrated Across GS Papers

Contemporary events of national and international importance, policy declarations, constitutional bench verdicts, and annual economic indicators.

Digital Personal Data Protection Act 2023: Data Principal, Data Fiduciary & Blacklist Cross-Border Transfer
UPSC Standard 20 Qs • 25m Practice (20 Qs)
Telecommunications Act 2023: Administrative Satellite Spectrum Allocation & Telegraph Act 1885 Repeal
UPSC Standard 20 Qs • 25m Practice (20 Qs)
Bharatiya Nyaya Sanhita (BNS 2023): Community Service, Section 113 Terrorist Acts & IPC Replacement
UPSC Standard 20 Qs • 25m Practice (20 Qs)
Chief Election Commissioner Act 2023: Selection Committee (PM, Union Minister, LoP) & CJI Omission
UPSC Standard 20 Qs • 25m Practice (20 Qs)
Constitution 106th Amendment Act 2023 (Nari Shakti Vandan): 33% Women Reservation & Delimitation Trigger
UPSC Standard 20 Qs • 25m Practice (20 Qs)
European Union CBAM (Carbon Border Adjustment Mechanism): 6 Covered Sectors & Carbon Leakage Tax
UPSC Standard 20 Qs • 25m Practice (20 Qs)
High Seas Treaty (BBNJ 2023): International Marine Protected Areas & Marine Genetic Resources Benefit Sharing
UPSC Standard 20 Qs • 25m Practice (20 Qs)
Kunming-Montreal Global Biodiversity Framework (30x30 Target & $500B Harmful Subsidy Reduction)
UPSC Standard 20 Qs • 25m Practice (20 Qs)
Supreme Court Electoral Bonds Verdict (Art 19(1)(a) Voter Right to Information & Proportionality Violation)
UPSC Standard 20 Qs • 25m Practice (20 Qs)
Supreme Court SC/ST Sub-Classification Ruling (Davinder Singh 2024), Loss & Damage Fund & KABIL Lithium Pact
UPSC Standard 20 Qs • 25m Practice (20 Qs)

CSAT Paper II — General Studies (Aptitude)

80 Objective Questions • 200 Marks • 120 Minutes • +2.50 / -0.83 Negative Marking

Qualifying (33% Cutoff)
Critical Exam Rule: CSAT Paper II is strictly qualifying. You must score at least 33% (66.0 out of 200 marks) for your GS Paper I to be evaluated for Prelims clearance. CSAT scores do not add to your merit ranking, but scoring below 66 disqualifies you irrespective of your GS-I score.

Reading Comprehension

CSAT Module 01 • ~25–28 Qs
Class X Level Standard

Crucial inferences, logical corollaries, essential messages, and underlying assumptions across short and multi-paragraph passages.

Soil Biology & Agriculture: Yield Maximization vs Long-Term Soil Ecological Architecture
Qualifying 33% 20 Qs • 30m Practice (20 Qs)
Algorithmic Governance & Big Data: Training Set Historical Biases & Black-Box Discretion
Qualifying 33% 20 Qs • 30m Practice (20 Qs)
Transport Decarbonization: Gravimetric Energy Density Limits & Molecular Energy Carriers (e-Fuels)
Qualifying 33% 20 Qs • 30m Practice (20 Qs)
Public Health Epidemiology: Infectious Diseases & Chronic Metabolic Syndrome Synergies
Qualifying 33% 20 Qs • 30m Practice (20 Qs)
Biopharmaceutical Intellectual Property: Patent Evergreening vs Genuine Therapeutic Innovation
Qualifying 33% 20 Qs • 30m Practice (20 Qs)
Urban Hydrology: Centralized Supply-Side Pumping vs Decentralized Sponge Infrastructure
Qualifying 33% 20 Qs • 30m Practice (20 Qs)
Financial Inclusion Reality: Account Counting Metrics vs Deep Assimilation into Credit & Insurance
Qualifying 33% 20 Qs • 30m Practice (20 Qs)
Apex Predator Conservation: Fortress Conservation vs Community-Governed Forest Stewardship
Qualifying 33% 20 Qs • 30m Practice (20 Qs)
Digital Attention Economy: Ad-Monetized Algorithmic Feeds vs Deliberative Democratic Spheres
Qualifying 33% 20 Qs • 30m Practice (20 Qs)
Circular Economy Design: Upstream Material Modularity & Right-to-Repair vs End-of-Pipe Recycling
Qualifying 33% 20 Qs • 30m Practice (20 Qs)

Logical Reasoning & Analytical Ability

CSAT Module 02 • ~18–22 Qs
Class X Level Standard

Deductive reasoning, syllogisms, circular and linear seating arrangements, complex puzzles, and critical statement analysis.

Six-Person Circular Table Group Discussion Arrangement with Complex Left/Right Conditions
Qualifying 33% 20 Qs • 30m Practice (20 Qs)
Formal Syllogisms: Particular Affirmative + Universal Affirmative Multi-Premise Deductions
Qualifying 33% 20 Qs • 30m Practice (20 Qs)
Six-Member Family Tree with Two Married Couples & Six Distributed Professional Occupations
Qualifying 33% 20 Qs • 30m Practice (20 Qs)
Direction Sense Geometry: Pythogorean Displacements & Clockwise Angle Rotations
Qualifying 33% 20 Qs • 30m Practice (20 Qs)
Government Bureaucracy Seniority Hierarchies: Secretary to Deputy Secretary Rankings
Qualifying 33% 20 Qs • 30m Practice (20 Qs)
Conditional Policy Premises & Contrapositive Deductions (Modus Tollens Logic)
Qualifying 33% 20 Qs • 30m Practice (20 Qs)

Quantitative Aptitude & Basic Numeracy

CSAT Module 03 • ~25–30 Qs
Class X Level Standard

Class X level arithmetic, number theory, divisibility, permutations, work-time, and speed-distance applications.

Number Theory: Modular Arithmetic & Remainder Theorems for Large Exponent Powers (7^84 / 342)
Qualifying 33% 20 Qs • 30m Practice (20 Qs)
Permutations & Combinations: 5-Digit Numbers Divisible by 4 with Constrained Zero Digits
Qualifying 33% 20 Qs • 30m Practice (20 Qs)
Mixture & Alligation: Successive Replacement of 20L Solution with Pure Water
Qualifying 33% 20 Qs • 30m Practice (20 Qs)
Time, Speed & Distance: Opposite Trains Meeting Formula (Speed Ratio = √(T2 / T1))
Qualifying 33% 20 Qs • 30m Practice (20 Qs)
Time & Work: Multi-Worker Variable Departures with Total Integer Project Durations
Qualifying 33% 20 Qs • 30m Practice (20 Qs)
Percentage Compensatory Adjustments: Price Inflation vs Proportional Consumption Reduction
Qualifying 33% 20 Qs • 30m Practice (20 Qs)

Data Interpretation & Decision Making

CSAT Module 04 • Quantitative & Ethical
Class X Level Standard

Quantitative data sufficiency conditions, probability combinations, and situational administrative decision-making scenarios.

Data Sufficiency: Evaluating Co-Prime Divisibility Conditions for Unique Truth Values
Qualifying 33% 20 Qs • 30m Practice (20 Qs)
Administrative Ethical Dilemma: Balancing Renewable Energy Infrastructure with Pastoralist Commons Rights
Qualifying 33% 20 Qs • 30m Practice (20 Qs)
Combinatorial Probability: Multi-Disciplinary Committee Selection under Minimum Quota Constraints
Qualifying 33% 20 Qs • 30m Practice (20 Qs)

UPSC Prelims Full-Length Exam Simulators

Authentic 100-Question GS-I and 80-Question CSAT papers matching official UPSC session times.

Real Exam Shifts
Official 100 MCQs Blueprint

UPSC CSE Prelims — GS Paper I Full Mock Simulator 01

General Studies Paper I (Merit Ranking Track)
100 MCQs Total Questions
200 Marks Total Score
120 Mins Duration
+2.0 / -0.66 (1/3rd Negative) Marking Rule

Determines qualification for Civil Services Main Examination

Start Full Simulator
Deep Conceptual & Pair-Matching

UPSC CSE Prelims — GS Paper I Full Mock Simulator 02

General Studies Paper I (High-Difficulty Applied)
100 MCQs Total Questions
200 Marks Total Score
120 Mins Duration
+2.0 / -0.66 (1/3rd Negative) Marking Rule

Simulates demanding elimination traps and contemporary synthesis

Start Full Simulator
Official 80 MCQs Pattern

UPSC CSE Prelims — CSAT Paper II Full Mock Simulator 01

CSAT Paper II (Qualifying Paper)
80 MCQs Total Questions
200 Marks Total Score
120 Mins Duration
+2.5 / -0.83 (1/3rd Negative) Marking Rule

Strictly Qualifying: Minimum 33% (66.0 Marks) required

Start Full Simulator
Dual Shift Exam-Day Simulator

UPSC CSE Prelims Real Exam Full-Day Simulator (Shift 1 + Shift 2)

Complete Examination Experience (GS-I + CSAT)
180 MCQs Total Questions
400 Marks Total Score
240 Mins Duration
GS-I (+2.0 / -0.66) + CSAT (+2.5 / -0.83) Marking Rule

Morning 9:30–11:30 AM (GS-I) & Afternoon 2:30–4:30 PM (CSAT)

Start Full Simulator

UPSC Question Archetypes & Quality Standard

How TargetExams rejects generic recall questions and mirrors official UPSC framing.

Zero Generic AI Questions

Real UPSC CSE questions are never simple fact-recalls like "Who appoints the Governor?" or "What is Article 21?". Our UPSC question validation engine strictly rejects simple definitions and demands 6 complex archetypes testing conceptual discrimination, exceptions, and interdisciplinary reasoning:

Archetype A

Multi-Statement Questions

Consider the following statements:

Candidates evaluate 2 to 4 statements on historical/constitutional nuances. Requires deep conceptual accuracy to identify "1 and 2 only" vs "1, 2 and 3".

Archetype B

Pair Matching ("How many pairs")

How many of the above pairs are correctly matched?

Traditional elimination is neutralized by options: "Only one pair", "Only two pairs", "All three pairs", "None". Requires independent verification of each pair.

Archetype C

Assertion & Concept Application

Statement-I & Statement-II Relationship

Evaluates whether Statement-II is the correct explanation of Statement-I, or if both statements are independently correct but unrelated.

Archetype D

Map-Based & Spatial Reasoning

Arrange from West to East / Bordering Countries

Tests geographical choke-points, straits, river basins, national parks, and international borders mentioned in contemporary world news.

Archetype E

Contemporary + Static Synthesis

In the context of recent developments...

A recent treaty, Supreme Court verdict, or technological innovation serves as the trigger, but questions test the underlying static constitutional/scientific theory.

Archetype F

CSAT Critical Inference & Assumption

Which of the following assumptions is/are valid?

Measures ability to read between the lines, recognize authorial bias, and identify the unstated premise that holds the passage argument together.

TargetExams Adaptive Diagnostic Engine

Personalized UPSC Weak-Area Diagnostics

Instead of generic overall percentages, our system breaks down your attempts into micro-topics, evaluates statement-level confusion, and automatically prescribes your next high-yield practice modules.

Micro-Topic Performance Analysis (Simulated)
Polity — Parliamentary Committees42% (Weak)
Environment — International Conventions58% (Moderate)
Modern History — Gandhian Phase82% (Strong)
Economy — Monetary Policy & Repo Rate36% (Weak)
Geography — Map-Based Straits & Passes78% (Strong)
AI Recommended Action Plan:
🔴 Priority: Monetary Policy & RBI (15Q)
🔴 Priority: Parliamentary Committees (15Q)
🟡 Revise: UNFCCC COP Decisions (20Q)
🟢 Mastered: Gandhian Movements

Frequently Asked Questions on UPSC CSE Prelims

Authentic guidelines verified from official UPSC information bulletins.

How is the TargetExams UPSC CSE Prelims Test Series structured?

TargetExams structures UPSC Civil Services Prelims preparation into a progressive 4-tier model: (1) 20-Question Authentic Subject Tests across all 9 GS-I areas; (2) 20-Question Dedicated CSAT Modules across Reading Comprehension, Logical Reasoning, Quant, and Data Interpretation; and (3) Full-length 100-Question GS-I and 80-Question CSAT-II simulated mock examinations mirroring official UPSC exam shifts with statement-by-statement explanatory solutions.

What is the exact marking scheme and negative marking in Prelims?

GS Paper I carries 200 marks for 100 questions (+2.0 marks per correct answer, -0.66 marks or 1/3rd penalty for each wrong answer). CSAT Paper II carries 200 marks for 80 questions (+2.5 marks per correct answer, -0.83 marks or 1/3rd penalty for each wrong answer). Unattempted questions carry zero penalty.

Why is CSAT Paper II treated separately as a qualifying paper?

As per the official UPSC examination notification, CSAT Paper II is strictly qualifying in nature with a statutory cutoff benchmark of 33% (66.0 marks out of 200). Preliminary merit for shortlisting candidates to the Main Examination is determined solely on the marks scored in GS Paper I, provided the candidate secures at least 66.0 marks in CSAT.

How does TargetExams replicate authentic UPSC question archetypes?

Our test generation engine adheres to strict UPSC question design templates, including multi-statement questions ("Which of the statements given above is/are correct?"), pair matching ("How many of the above pairs are correctly matched?"), statement-assertion relationships, and map-based spatial reasoning. Every question features statement-by-statement explanatory solutions.

How many attempts are permitted for UPSC Civil Services Examination?

General / EWS candidates are permitted a maximum of 6 attempts up to age 32. Other Backward Classes (OBC) candidates are permitted 9 attempts up to age 35. SC / ST candidates have unlimited attempts up to age 37. Persons with Benchmark Disabilities (PwBD) have 9 attempts for General/OBC and unlimited attempts for SC/ST up to age 42.

What is the eligibility requirement regarding graduation percentage?

UPSC does not prescribe any minimum percentage of marks in graduation. A candidate only needs to hold a recognized Bachelor\x27s degree in any discipline from a university incorporated by an Act of the Central or State Legislature, or deemed university under UGC Act 1956. Final-year students are also eligible to apply for Prelims.