TNPSC Group 1 Syllabus — Full Prelims & Mains Breakdown
The complete Prelims 10-unit syllabus and Mains paper structure for Group 1 posts including Deputy Collector and Deputy Superintendent of Police — based on the official TNPSC notification.
At a glance
Prelims — a single paper, 300 marks, 200 questions (175 General Studies + 25 Aptitude), 3 hours, screening only. Mains — 4 papers, plus Interview, totaling 850 marks toward the final merit list.
Exam Structure
| Stage | Paper | Marks | Note |
|---|---|---|---|
| Prelims | Single paper (Objective) | 300 | 175 General Studies + 25 Aptitude = 200 questions. Screening only, doesn't count toward the final merit list. |
| Mains — Paper I | Tamil Eligibility Test | 100 | Qualifying only (minimum 40%) — doesn't count toward the final merit list. |
| Mains — Paper II, III, IV | General Studies (Descriptive) | 750 (250×3) | The main papers that count toward the final merit list. |
| Interview | Oral Test | 100 | Only for candidates who clear Mains. |
| Total (for merit) | — | 850 | Mains (750) + Interview (100) |
Paper-I (Tamil Eligibility Test) marks don't count toward the final merit list — but if you don't score the minimum 40%, Papers II, III, and IV won't be evaluated at all. Differently-abled candidates are exempt from Paper-I. Source: TNPSC's official Group I notification.
Prelims Syllabus — Full 10-Unit Breakdown
The Prelims General Studies paper is split into 10 units (Degree standard), plus Unit 10 on Aptitude (SSLC standard). Here are the key topics in each unit:
Scientific temper and reasoning; basics of Physics — mechanics, electricity, magnetism, light, sound, heat, nuclear physics; Chemistry — elements, compounds, acids/bases, fertilizers, pesticides; Life Science — classification, evolution, genetics, nutrition, health; Environment and Ecology.
Recent developments in history, national symbols, state profiles, eminent people & places; political parties, public administration, welfare schemes; geographical landmarks; recent socio-economic issues; recent inventions in science and technology.
Location, physical features, monsoon-climate, water resources-rivers, soil-minerals-resources, forests-wildlife, agricultural patterns; transport-communication; population distribution, racial-linguistic groups; disaster management, pollution, climate change.
Indus Valley Civilization through the Guptas, Delhi Sultans, Mughals, Marathas; Vijayanagar-Bahmani kingdoms; South Indian history; continuity and change in India's socio-cultural history; unity in diversity; secularism.
Preamble, salient features, Union-State-Union Territory structure; citizenship, fundamental rights/duties, Directive Principles; Union and State executive/legislature, local government-Panchayat Raj; federalism; elections, judiciary, rule of law; anti-corruption measures, RTI, women's empowerment, consumer protection.
Nature of the economy, Five Year Plans, Planning Commission-NITI Aayog; sources of revenue, RBI, fiscal-monetary policy, Finance Commission, GST; agriculture-science applications, industrial growth; social issues — population, education, health, employment, poverty.
National renaissance, early uprisings, Indian National Congress; leaders — Ambedkar, Bhagat Singh, Bharathiar, V.O. Chidambaranar, Nehru, Kamarajar, Gandhi, Maulana Abul Kalam Azad, Periyar, Rajaji, Subhash Chandra Bose, Tagore, and others; Satyagraha and militant movements; communalism and partition.
History of Tamil society, archaeological discoveries, Tamil literature from the Sangam age to today; Thirukkural — its significance as secular literature, relevance to everyday life, humanism, universal values; Tamil Nadu's role in the freedom struggle, women's contribution; the Justice Party, rationalism, the Self-Respect Movement, the Dravidian Movement — contributions of Periyar and Anna.
Human development indicators — comparison across the country; economic impact of social reform movements; welfare schemes, the rationale behind reservation policy; social justice and harmony; education-health systems; Tamil Nadu's geography-economic impact; e-Governance.
Simplification, percentage, HCF, LCM; ratio-proportion; simple-compound interest, area-volume, time-work; logical reasoning, puzzles, dice, visual reasoning, alpha-numeric reasoning, number series.
General Studies questions are set in both Tamil and English. Source: TNPSC's official Group I notification, Annexure-I.
Mains Syllabus — Paper Structure
Translation, grammar, essay-type questions — 100 marks, qualifying only. Differently-abled candidates are exempt.
Unit I: Modern history of India and Indian culture. Unit II: Social issues in India and Tamil Nadu. Unit III: General Aptitude & Mental Ability (SSLC standard).
Unit I: Indian Polity and emerging political trends across the world. Unit II: Role and impact of Science and Technology. Unit III: Tamil Society — its culture and heritage.
Unit I: Geography of India, with special reference to Tamil Nadu. Unit II: Environment, biodiversity, disaster management. Unit III: Indian Economy — current trends and the impact of the global economy.
Each paper is set at Degree standard, descriptive type (requiring detailed written answers). Source: TNPSC's official Group I notification, Annexure-I.
Next Steps
Frequently Asked Questions
Does TNPSC Group 1 still have an optional subject?
No. The optional subject that used to exist has been removed. Under the current structure, Mains has only Paper-I (Tamil Eligibility Test, qualifying only) plus Papers II, III, and IV (General Studies, 250 marks each).
Do Prelims marks count toward the final merit list?
No. Prelims is only a screening test to qualify for Mains. The final merit list is based solely on Mains (750 marks) + Interview (100 marks) = 850 marks total.
Do Mains Paper-I (Tamil Eligibility Test) marks count toward the final merit list?
No. Paper-I is a qualifying test only (minimum 40% required) — its marks don't count toward the final merit list. Papers II, III, and IV are only evaluated if you pass Paper-I.
Are the General Studies papers available in both Tamil and English?
Yes. TNPSC's official notification clearly states that General Studies questions for both Prelims and the Main Written Examination will be set in both Tamil and English.