Updated TNPSC Group 1 Syllabus 2025 is shared here for the aspirants. For the Tamil Nadu PSC Group 1 Exam Syllabus & Exam Paper Pattern the interested candidates can visit this page. To appear and crack the Tamil Nadu Group 1 /1A Services Examination the interested candidates must refer the latest syllabus along with proper exam pattern. By knowing the complete Syllabus Of TNPSC Group I Recruitment 2025, the aspirants can start the perfect preparation to perform the best in the upcoming exam.
Tamil Nadu PSC Group 1 Exam Syllabus 2025
The applicants searching for the proper TNPSC Group 1 Syllabus can read this complete page. Here we are offering the detailed syllabus in addition to the Prelims and Mains Exam Pattern. Therefore, exam going intenders must refer these details and download Tamil Nadu PSC Group 1 Exam Syllabus Pdf from the below sections. After gathering these information, the candidate can begin the test preparation.
Tamil Nadu Public Service Commission through the Notification No.04/2025 & 05/2025 has announced the Group I & IA Notification 2025. Thus, the Job hunters should also prove themselves through the Selection Process to crack this opportunity. So candidates need to work hard with TNPSC Group 1 Notification Syllabus 2025. Actually, the syllabus gives clarity on the subjects included in the test. Hence, the contenders must Practise as per the TNPSC Group 1 Syllabus & Exam Pattern on this page.

TNPSC Group 1 Syllabus 2025 – Summary
| Organisation Name | Tamil Nadu Public Service Commission |
| Notification Number | 04/2025 – TNPSC Group 1 Services 05/2025 – TNPSC Group 1A Services |
| Exam Name | TNPSC Group 1 Services Examination – 70 Posts TNPSC Group 1A Services Examination – 02 Posts |
| Start Date of Application | 01/04/2025 |
| Closing Date of Application | 30/04/2025 |
| Prelims Exam Date | 15/06/2025 |
| Job Category | State Govt Jobs |
| Application Mode | Online |
| Place of Posting | Tamil Nadu |
| Website | tnpscexams.in |
TNPSC Group 1 & 1A Selection Stages
The Tamil Nadu Combined Civil Services Examination- (Group 1 Service & Group 1A Service) has the following successive stages of selection –
| Preliminary Examination | There will be common Preliminary Examination for both Group 1 and Group 1A Services. The Preliminary Examination will act as a screening test only and the marks obtained in the Preliminary Examination will not be counted for determining their final order of merit. |
| Main Examination | Based on merit in Preliminary Examination, the TNPSC will draw a list of candidates to be qualified for the Main Examination. The Mains Examination will have four papers of descriptive type in the subjects among which the Paper I will be qualifying in nature. |
| Physical Standards Verification and Endurance Test | Candidates opting for DSP & ACF Post shall have to appear for this test and qualify for the post before the Interview |
| Interview | Through Interview the TNPSC shall assess the suitability of the candidate for the service by judging the candidate’s personality, bearing, aptitude, general knowledge, technical knowledge etc. |
| TNPSC Group 1/1A Exam Links | |
| Official Notification | TNPSC Group 1/1A Notification |
| Exam Pattern & Syllabus | TNPSC Group 1/1A Syllabus |
| Previous Papers | TNPSC Group 1/1A Previous Papers |
| Admit Card / Exam Date | TNPSC Group 1/1A Admit Cards |
| Answer Keys | TNPSC Group 1/1A Answer Keys |
| Result Update | TNPSC Group 1/1A Result |
TNPSC Group 1 Exam Pattern 2025
Latest TNPSC Group 1 & Group 1A Exam Pattern 2025 is shared here along with TNPSC Group 1 Exam Syllabus 2025. Contenders by referring this can know the main subjects, marks allotted and questions, type of questions asked in the exam. The time period & subjects weightage is also given in TNPSC Group 1/1A Exam Pattern 2025.
TNPSC Group 1/1A Preliminary Exam Pattern
- The Prelims Exam will be common to both Group 1 & 1A Services.
- The questions on General Studies will be set both in Tamil and English..
- Time Duration of the Test is 3 Hours.
- Minimum Qualifying Marks is 90 for SCs, SC(A)s, STs, MBCs/DCs, BC(OBCM)s and BCMs and 120 for Others.
| Question Type | Subject | Standard | No. of Qs | Marks | Duration |
| Objective | General Studies | Degree | 175 | 300 | 3 Hours |
| Aptitude and Mental Ability | SSLC | 25 | |||
| Total | 200 | ||||
TNPSC Group 1 Mains Exam Pattern
The Mains Exam Pattern of Tamil Nadu PSC Group 1 & 1A Civil Service Notification 2025 is same however the syllabus of the examination differs according to the post. The mains exam pattern is as follows –
| Paper | Subject | Standard | Marks | Duration | Minimum Qualifying Marks | Type | |
| SCs, SC(A)s, STs, MBCs/ DCs, BC (OBCM)s and BCMs | Others | ||||||
| Paper I | Tamil Eligibility Test | SSLC | 100 | 3 hours | 40 | 40 | Descriptive |
| Paper II | General Studies I | Degree | 250 | 3 hours | 225 | 300 | |
| Paper III | General Studies II | Degree | 250 | 3 hours | |||
| PaperIV | General Studies III | Degree | 250 | 3 hours | |||
| Interview | 100 | – | |||||
| Total (Main Examination Paper II, III, IV and Interview) | 850 | ||||||
TNPSC Group 1 Exam Syllabus 2025
In this section, we have uploaded the TNPSC Group 1 & 1A Syllabus 2025 according to the stages and subjects. Interested applicants can refer to these and start a preparation scheme accordingly.
TNPSC Group 1 / 1A Prelims Syllabus
The Preliminary Examination is a Single Paper consisting of General Studies (Degree Standard – 175 questions), and Aptitude and Mental Ability (SSLC Standard – 25 questions. Below is topics of the exam with the number of questions which is a must to identify the weightage of subjects.
Part A: General Studies (Degree Standard – 175 Questions)
| Subjects | No of Questions |
| General Science | 10 |
| Geography of India | 10 |
| History, Culture of India, and Indian National Movement | 25 |
| Indian Polity | 40 |
| Indian Economy and Development Administration in Tamil Nadu | 50 |
| History, Culture, Heritage, and Socio-Political Movements in Tamil Nadu | 40 |
| Total | 175 |
Part B: Aptitude and Mental Ability (SSLC Standard – 25 Questions)
| Subjects | No of Questions |
| Aptitude | 15 |
| Reasoning – | 10 |
TNPSC Group 1 & 1A Prelims General Science Syllabus
- Scientific knowledge and scientific temper.
- Power of reasoning.
- Rote learning vs conceptual learning.
- Science as a tool to understand the past, present, and future.
- Nature of universe.
- General scientific laws.
- Mechanics.
- Properties of matter.
- Force, motion, and energy.
- Everyday application of the basic principles of mechanics.
- Electricity and magnetism.
- Light.
- Sound.
- Heat.
- Nuclear physics.
- Laser.
- Electronics, and communications.
- Elements and compounds.
- Acids, bases, salts, petroleum products, fertilizers, pesticides.
- Main concepts of life science.
- Classification of living organisms.
- Evolution, genetics, physiology, nutrition, health and hygiene, human diseases;
- Environment and ecology;
- Latest inventions in science and technology;
- Current affairs.
TNPSC Geography of India Syllabus for Group 1/1A Exam
- Location – Physical features – Monsoon, rainfall, weather and climate – Water resources – Rivers in India,
- Soil, Minerals and Natural Resources – Forest and Wildlife – Agricultural pattern;
- Transport –Communication;
- Social Geography – Population density and distribution – Racial, linguistic groups and
major tribes; - Natural calamity – Disaster management – Environmental pollution – Reasons and
preventive measures – Climate change – Green energy; - Geographical landmarks; Current affairs.
TNPSC Group 1 Syllabus on History, Culture of India, and Indian National Movement
- Indus Valley Civilization – Guptas, Delhi Sultans, Mughals, and Marathas – Age of Vijayanagaram and Bahmani Kingdoms – South Indian History; Change and continuity in the socio-cultural history of India;
- National Renaissance – Early uprising against British rule – Indian National Congress – Emergence of leaders – B.R. Ambedkar, Bhagat Singh, Bharathiar, V.O. Chidambaranar, Jawaharlal Nehru, Kamarajar, Mahatma Gandhi, Maulana Abul Kalam Azad, Thanthai Periyar, Rajaji, Subash Chandra Bose, Rabindranath Tagore, and others;
- Different modes of agitation: Growth of Satyagraha and Militant Movements;
- Communalism and Partition;
- Characteristics of Indian Culture, Unity in Diversity – Race, Language, Custom;
- India as a Secular State, Social Harmony;
- Prominent personalities in various spheres – Arts, Science, Literature and Philosophy;
- National symbols – Eminent personalities and places in news – Sports – Books and Authors;
- Current affairs
TNPSC Indian Polity Syllabus for Group 1 & 1A Exam
- Constitution of India – Preamble to the Constitution – Salient features of the Constitution – Union, State and Union Territory – Citizenship, Fundamental Rights, Fundamental Duties, Directive Principles of State Policy – Union Executive, Union Legislature – State Executive, State Legislature – Local Governments, Panchayat Raj – Spirit of federalism: Centre – State relationships – Election – Judiciary in India – Rule of Law – Corruption in public life – Anti-corruption measures – Lokpal and Lok Ayukta – Right to Information – Empowerment of Women – Consumer Protection Forums, Human Rights Charter;
- Political parties and political system in India;
- Current affairs
TNPSC Group 1/1A Syllabus on : Indian Economy and Development Administration in Tamil Nadu
- Nature of Indian Economy – Five-year plan models – an assessment – Planning Commission and Niti Aayog;
- Sources of revenue – Reserve Bank of India – Fiscal Policy and Monetary Policy – Finance Commission – Resource sharing between Union and State Governments – Goods and Services Tax;
- Structure of Indian economy and employment generation, Land Reforms and Agriculture – Application of Science and Technology in Agriculture – Industrial growth – Rural welfare oriented programmes – Social problems – Population, Education, Health, Employment, Poverty;
- Human Development Indicators in Tamil Nadu and a comparative assessment across the Country – Impact of social reform movements in the socio-economic development of Tamil Nadu – Political parties and welfare schemes for various sections of people – Rationale behind the reservation policy, and access to the social resources – Economic trends in Tamil Nadu – Role and impact of social welfare schemes in the socioeconomic development of Tamil Nadu – Social justice and social harmony as the cornerstones of socioeconomic development;
- Education and health systems in Tamil Nadu;
- Geography of Tamil Nadu and its impact on economic growth;
- Achievements of Tamil Nadu in various fields;
- e-Governance in Tamil Nadu;
- Public awareness and General administration – Welfare oriented Government schemes and their
- utility, Problems in public delivery systems;
- Current socio-economic issues;
- Current affairs.
TNPSC Group 1/1A Prelims Syllabus on History, Culture, Heritage, and Socio-Political Movements in Tamil Nadu
- History of Tamil Society, related archaeological discoveries, Tamil literature from Sangam age till contemporary times;
- Thirukkural – Significance as a secular literature – Relevance to everyday life, Impact of Thirukkural on humanity, Thirukkural and universal values – Relevance to Socio-politiconomic affairs, Philosophical content in Thirukkural;
- Role of Tamil Nadu in freedom struggle – Early agitations against British Rule – Role of women in freedom struggle;
- Evolution of 19th and 20th century socio-political movements in Tamil Nadu – Justice Party, Growth of Rationalism – Self Respect Movement, Dravidian Movement, and principles underlying both these movements;
- Contributions of Thanthai Periyar and Perarignar Anna
TNPSC Group 1 & 1A Prelims Syllabus – Aptitude and Mental Ability
- Aptitude
- Simplification
- Percentage
- Highest Common Factor (HCF)
- Lowest Common Multiple (LCM)
- Ratio and Proportion
- Simple interest
- Compound interest
- Area
- Volume
- Time and Work.
- Mental Ability
- Logical reasoning
- Puzzles
- Dice
- Visual reasoning
- Alpha numeric reasoning
- Number series
TNPSC Group 1 / 1A Mains Syllabus
The Tamil Nadu PSC Group 1 / 1A Syllabus for the Mains Examination differs from one another while the test structure is same. The Paper 1 is common to both the examination while syllabus of rest of the papers are different. A brief overview of the TNPSC Mains Syllabus for both the Group 1 / 1A Services Examination is shared as follows –
Paper 1 Tamil Eligibility Test Syllabus

General Studies 1 Syllabus – Paper 2 of TNPSC Group 1/1A Mains Exam
| Subjects | Group 1 Exam Marks | Group 1A Exam Marks |
| Modern History of India and Indian Culture | 100 | NA |
| Modern History of India with specific reference to Tamil Nadu | NA | 70 |
| Social Issues in India and Tamil Nadu | 100 | NA |
| Tamil Nadu Economy and Social Issues in Tamil Nadu | NA | 80 |
| Ethics and Integrity | 50 | NA |
| Constitution, Polity and Governance in India with specific reference to Tamil Nadu | NA | 100 |
TNPSC Group 1/1A Mains Syllabus for Paper 3 – General Studies
| Subjects | Group 1 Exam Marks | Group 1A Exam Marks |
| Indian Polity and Emerging Political Trends across the World affecting India | 100 | NA |
| General Science | NA | 100 |
| Role and Impact of Science and Technology in the Development of India | 100 | NA |
| Science and Technology in Development | NA | 80 |
| Tamil Society – Culture and Heritage | 50 | NA |
| Geography of India, Climate Change and Disaster Management | NA | 70 |
Tamil Nadu PSC Group 1/1A Mains Syllabus for Paper 4 (GS)
| Subjects | Group 1 Exam Marks | Group 1A Exam Marks |
| General Geography and Geography of India with Special Reference to Tamil Nadu | 75 | NA |
| Forestry | NA | 90 |
| Environment, Biodiversity and Disaster Management | 75 | NA |
| Environment | NA | 80 |
| Indian Economy – Current Economic Trends and Impact of Global Economy on India | 100 | NA |
| Biodiversity Conservation and Wildlife Management | NA | 80 |
TNPSC Group 1 Syllabus 2025 PDF Download
TNPSC Group 1 Syllabus pdf is shared here. Intenders who wish to crack the selection process must follow a study scheme. In this regard, the contenders need the pdf version of syllabus to clarify doubts in the question paper. Hence follow the direct link to download the TNPSC Group 1 Syllabus PDF during the preparation.
| TNPSC Group 1 Prelims & Mains Syllabus PDF | Click Here |
| TNPSC Group 1A Prelims & Mains Syllabus PDF | Click Here |
We hope the above provided TNPSC Group 1 Exam Syllabus 2025 is useful for the aspirants. Hence, start the preparation by downloading the syllabus. Furthermore, visit rrbapply.com frequently to know more updates on Sarrkari Naukri, Exam Syllabus, Admit Card and Results.
