The Tamil Nadu Public Service Commission (TNPSC) has prescribed a comprehensive syllabus for the Combined Civil Services Examination-I (Group 1 Services). Candidates preparing for the TNPSC Group 1 Exam 2026 must thoroughly understand the latest syllabus and exam pattern to maximize their chances of success.
TNPSC Group 1 is one of the most prestigious state-level civil service examinations in Tamil Nadu. The examination is conducted to recruit candidates for high-ranking administrative positions such as Deputy Collector, Deputy Superintendent of Police (DSP), Assistant Commissioner, District Employment Officer, and Assistant Director of Rural Development.
In this article, we have provided the complete TNPSC Group 1 Syllabus 2026 for both Preliminary and Main Examinations in Tamil and English along with the latest exam pattern.
TNPSC Group 1 Selection Process 2026
The TNPSC Group 1 recruitment process consists of 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
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
Conclusion
The TNPSC Group 1 Examination is the gateway to some of the most prestigious administrative positions in Tamil Nadu. A thorough understanding of the TNPSC Group 1 Syllabus 2026 for both Prelims and Mains is essential for effective preparation. Candidates should follow a structured study plan, revise regularly, and practice mock tests to achieve success in the examination.
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