The Tamil Nadu Public Service Commission (TNPSC) has released the latest syllabus for the Combined Civil Services Examination-I (Group 1 Services). Candidates who are preparing for the TNPSC Group 1 Exam 2026 should know the syllabus and exam pattern before starting their preparation.
In this article, you can check the complete TNPSC Group 1 Syllabus 2026 for both Prelims and Mains in Tamil and English. We have also included the latest exam pattern and syllabus PDF links.
TNPSC Group 1 Selection Process 2026
The TNPSC Group 1 selection process has three stages:
- Preliminary Examination
- Main Written Examination
- Interview / Oral Test
Candidates must qualify in each stage to proceed to the next phase of the recruitment process.
TNPSC Group 1 Prelims Exam Pattern 2026
The Preliminary Examination is an objective-type screening test.
| Subject | Questions |
| General Studies | 175 |
| Aptitude & Mental Ability | 25 |
| Total | 200 |
Key Highlights
- Total Questions: 200
- Total Marks: 300
- Duration: 3 Hours
- Question Type: Multiple Choice Questions (MCQs)
- No Negative Marking
- General Studies Questions: Degree Standard
- Aptitude & Mental Ability: SSLC Standard
| TNPSC Group 1 Prelims Syllabus PDF – Download |
TNPSC Group 1 Prelims Syllabus 2026
The Preliminary Examination consists of six major units in General Studies and one unit in Aptitude and Mental Ability.
Unit I: General Science (10 Questions)
Topics include:
- Scientific Knowledge and Scientific Temper
- Mechanics, Force, Motion and Energy
- Electricity and Magnetism
- Light, Sound and Heat
- Nuclear Physics
- Electronics and Communication
- Acids, Bases and Salts
- Petroleum Products
- Fertilizers and Pesticides
- Life Science
- Genetics and Evolution
- Health and Hygiene
- Human Diseases
- Environment and Ecology
- Latest Scientific Developments
- Current Affairs
Unit II: Geography of India (10 Questions)
Topics include:
- Physical Features of India
- Climate and Monsoon
- Rivers and Water Resources
- Forests and Wildlife
- Agriculture
- Population Distribution
- Natural Disasters
- Disaster Management
- Climate Change
- Environmental Pollution
- Green Energy
- Important Geographical Landmarks
Unit III: History, Culture of India and Indian National Movement (25 Questions)
Topics include:
- Indus Valley Civilization
- Gupta Empire
- Delhi Sultanate
- Mughal Empire
- Maratha Rule
- Vijayanagar Empire
- Indian National Congress
- Freedom Struggle
- Mahatma Gandhi
- Jawaharlal Nehru
- Subhas Chandra Bose
- B.R. Ambedkar
- Kamarajar
- Bharathiar
- V.O. Chidambaranar
- Indian Culture and Heritage
- National Symbols
- Important Personalities
- Books and Authors
- Sports and Current Affairs
Unit IV: Indian Polity (40 Questions)
Topics include:
- Constitution of India
- Preamble
- Fundamental Rights
- Fundamental Duties
- Directive Principles of State Policy
- Parliament
- State Legislature
- Judiciary
- Local Self Government
- Panchayat Raj
- Centre-State Relations
- Elections
- Anti-Corruption Measures
- Lokpal and Lok Ayukta
- Right to Information
- Human Rights
- Consumer Protection
- Women Empowerment
Unit V: Indian Economy and Development Administration in Tamil Nadu (50 Questions)
Topics include:
- Indian Economy
- Five-Year Plans
- NITI Aayog
- RBI
- Fiscal Policy
- Monetary Policy
- GST
- Agriculture
- Industrial Growth
- Poverty and Unemployment
- Education and Health
- Human Development Indicators
- Reservation Policy
- Welfare Schemes
- Social Justice
- e-Governance
- Public Administration
- Current Economic Issues
Unit VI: History, Culture, Heritage and Socio-Political Movements in Tamil Nadu (40 Questions)
Topics include:
- Sangam Literature
- Tamil Society and Culture
- Archaeological Discoveries
- Thirukkural
- Tamil Nadu Freedom Movement
- Role of Women in Freedom Struggle
- Justice Party
- Self-Respect Movement
- Dravidian Movement
- Thanthai Periyar
- Perarignar Anna
- Socio-Political Reforms in Tamil Nadu
Aptitude and Mental Ability (25 Questions)
Aptitude
- Simplification
- Percentage
- HCF & LCM
- Ratio and Proportion
- Simple Interest
- Compound Interest
- Area and Volume
- Time and Work
Reasoning
- Logical Reasoning
- Puzzles
- Dice
- Visual Reasoning
- Alpha Numeric Reasoning
- Number Series
⇒ Prelims Syllabus ⇐
TNPSC Group 1 Mains Exam Pattern 2026
The Main Examination consists of four papers.
| Paper | Subject | Marks |
| Paper I | Tamil Eligibility Test | 100 |
| Paper II | General Studies I | 250 |
| Paper III | General Studies II | 250 |
| Paper IV | General Studies III | 250 |
| TNPSC Group 1 Mains Syllabus PDF – Download |
TNPSC Group 1 Mains Syllabus 2026
Paper I – Tamil Eligibility Test
Topics include:
- Translation (Tamil ↔ English)
- Precis Writing
- Comprehension
- Letter Writing
- Essay Writing
- Tamil Grammar
- Thirukkural-Based Essays
- Current Affairs
- Social Issues
- Environmental Issues
- Tamil Language Skills
Paper II – General Studies I
Unit I: Modern History of India and Indian Culture
- Colonial Rule
- Freedom Movement
- Constitutional Development
- National Leaders
- Social Reform Movements
- Indian Culture and Heritage
- Tamil Nadu’s Contribution to Freedom Struggle
Unit II: Social Issues in India and Tamil Nadu
- Population Issues
- Education
- Women Empowerment
- Child Welfare
- Social Development
- Human Rights
- Welfare Schemes
- Health Care Programmes
Unit III: Ethics and Integrity
- Ethics and Human Values
- Thirukkural Ethics
- Moral Responsibility
- Public Administration Ethics
- Transparency
- Accountability
- Citizen Charter
- Corruption and Governance
Paper III – General Studies II
Unit I: Indian Polity and Emerging Political Trends
- Constitution
- Parliament
- President
- Prime Minister
- Judiciary
- Federalism
- Local Government
- Civil Services
- Political Parties
- Administrative Reforms
- Foreign Policy
- International Relations
Unit II: Science and Technology
- Artificial Intelligence
- Robotics
- Nano Technology
- Biotechnology
- Information Technology
- Cyber Security
- Space Research
- Genetic Engineering
- Agriculture Technology
- Medical Technology
Unit III: Tamil Society, Culture and Heritage
- Tamil Civilization
- Keeladi
- Adichanallur
- Tamil Literature
- Tamil Culture
- Rationalist Movement
- Dravidian Movement
- Tamil Diaspora
- Modern Tamil Society
Paper IV – General Studies III
Unit I: Geography of India with Special Reference to Tamil Nadu
- Earth and Universe
- Climate
- Natural Resources
- Agriculture
- Population
- Industries
- Trade
- GIS and Remote Sensing
- Geopolitics
Unit II: Environment, Biodiversity and Disaster Management
- Ecosystem
- Biodiversity
- Climate Change
- Sustainable Development Goals
- Environmental Laws
- Pollution Control
- Disaster Management
- Sendai Framework
Unit III: Indian Economy and Tamil Nadu Economy
- National Income
- NITI Aayog
- Agriculture
- Industrial Development
- Banking
- Public Finance
- Inflation
- Globalization
- WTO
- IMF
- World Bank
- Tamil Nadu Economy
- Entrepreneurship Development
- Tourism
- Women Empowerment Programmes
TNPSC Group 1 Interview
Candidates who clear the Main Examination will be called for the Interview/Oral Test.
The interview evaluates:
- Leadership Qualities
- Communication Skills
- Administrative Ability
- Decision-Making Skills
- Personality Traits
- General Awareness
TNPSC Group 1 Syllabus 2026 PDF Download
Candidates should always refer to the latest official TNPSC Group 1 syllabus PDF released by the Tamil Nadu Public Service Commission for accurate and updated information.
The syllabus covers:
- Preliminary Examination
- Tamil Eligibility Test
- General Studies Papers I, II, & III
- Interview Stage
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