The premier administrative recruitment for Deputy Collectors and DSPs across Tamil Nadu.
Mandatory educational background, age limits, pay scale, and service designations
The Tamil Nadu Public Service Commission (TNPSC) conducts the Combined Civil Services Examination I (Group 1 Services) to recruit leadership for Deputy Collector, Deputy Superintendent of Police (DSP), and Assistant Commissioner of Commercial Taxes posts. Prelims features a single 200-question paper (300 marks) with zero negative marking. Mains includes a qualifying Tamil Eligibility Test (100 marks) and three descriptive General Studies papers (250 marks each = 750 marks), followed by a 100-mark interview.
Bachelor's Degree in any discipline from a recognized University or equivalent qualification.
21 to 39 Years
SC/ST/MBC/DC/BC/BCM and Destitute Widows: 5 years (up to 39; 37 for DSP) | General (Others): 34 years
General / UR: No attempt limit (Up to 34 years for General; 39 for Reserved categories)
OBC: No attempt limit (Up to 39 years)
SC / ST: No attempt limit (Up to 39 years)
Pay Matrix Level 22 (₹56,100 – ₹2,05,700) + DA, HRA, Medical & Quarters
Annual Vacancies: Approx. 70 – 120 vacancies annually
Stage-wise breakdown, paper timing, question distribution, and negative marking rules
Negative Marking Rule: No negative marking in TNPSC Preliminary Examination.
Mode: Offline OMR for Prelims, Descriptive Sheets for Mains, In-Person Interview in Chennai | Medium: Bilingual (Tamil / English); Paper 1 Tamil Eligibility Test strictly in Tamil.
Single objective paper comprising 200 questions (300 marks, 3 hours) testing General Studies (175 Qs) and Aptitude & Mental Ability (25 Qs). Uniquely, Units 8 and 9 dedicated to Tamil society, heritage, Thirukkural, and development administration carry immense weightage. There is NO negative marking.
| Paper / Component | Format | Questions | Marks | Duration | Negative Marking & Nature |
|---|---|---|---|---|---|
General Studies & Aptitude General Science (15 Qs), Current Events (15 Qs), Geography of India with focus on Tamil Nadu (15 Qs), History and Culture of India (15 Qs), Indian Polity (25 Qs), Indian Economy (20 Qs), Indian National Movement (20 Qs), Unit 8: History, Culture, Heritage and Socio-Political Movements in Tamil Nadu (40 Qs - Sangam literature, Thirukkural, Dravidian movement), Unit 9: Development Administration in Tamil Nadu (30 Qs - human development indicators, social justice, e-governance), Aptitude and Mental Ability Test - SSLC Standard (25 Qs = 37.5 Marks) | Objective (MCQ) | 200 | 300 | 3 Hours | Decides Mains qualification list (20x vacancies) |
4 descriptive papers conducted over 4 consecutive days in Chennai. Paper 1 (Tamil Eligibility Test, 100 marks) is qualifying (minimum 40% required). Merit is determined by Papers 2, 3, and 4 (250 marks each) totaling 750 marks; no optional subject.
| Paper / Component | Format | Marks | Duration | Negative Marking & Nature |
|---|---|---|---|---|
Paper 1: Tamil Eligibility Test (SSLC Standard) Tamil to English translation, English to Tamil translation, Precis writing, Comprehension, Hints development, Essay on Thirukkural, Official letter drafting in Tamil | Descriptive (Written) | 100 | 3 Hours | Qualifying (Min 40% required, not counted in merit) |
Paper 2: General Studies I Unit 1: Modern History of India and Indian Culture (with Tamil Nadu national movement), Unit 2: Social Issues in India and Tamil Nadu (Women empowerment, poverty, education), Unit 3: General Aptitude and Mental Ability (SSLC Standard calculation and statistics) | Descriptive (Written) | 250 | 3 Hours | Merit |
Paper 3: General Studies II Unit 1: Indian Polity and Emerging Political Trends affecting India and Tamil Nadu, Unit 2: Role and Impact of Science and Technology in the Development of India, Unit 3: Tamil Society - Its Culture and Heritage (Thirukkural philosophy, Sangam archaeological sites like Keeladi) | Descriptive (Written) | 250 | 3 Hours | Merit |
Paper 4: General Studies III Unit 1: Geography of India and Tamil Nadu, Unit 2: Environment, Biodiversity and Disaster Management (with coastal ecology of Tamil Nadu), Unit 3: Indian Economy and Current Economic Trends in Tamil Nadu | Descriptive (Written) | 250 | 3 Hours | Merit |
Board interview conducted at TNPSC headquarters at TNPSC Road, Park Town, Chennai evaluating administrative personality, leadership, social justice sensitivity, and state developmental priorities.
| Paper / Component | Format | Marks | Duration | Negative Marking & Nature |
|---|---|---|---|---|
Oral Test Board Personal record & DAF, Dravidian model of governance & social justice welfare schemes (Midday meal, Pudhumai Penn, Kalaignar Magalir Urimai Thogai), Keeladi archaeological excavations and Sangam urbanization, Industrial leadership: Auto hub in Chennai, textile in Tirupur/Coimbatore, electronics manufacturing | Interview | 100 | 20 – 30 Minutes | Added to Mains marks for 850 Grand Total Merit |
Detailed curriculum modules categorized by standard foundations vs. high-yield scoring chapters
Phase-by-phase roadmap, daily study schedule, topper golden rules, and fatal pitfalls to avoid
In TNPSC Group 1, Unit 8 (Tamil Society, Culture & Heritage - 40 Qs) and Unit 9 (Development Administration in Tamil Nadu - 30 Qs) combined account for 70 out of 200 questions in Prelims! Combined with 25 Aptitude questions and zero negative marking, candidates must master Tamil Nadu Samacheer Kalvi school textbooks from Class 6 to 12. In Mains, high-speed descriptive writing across 3 General Studies papers (750 marks) and Thirukkural essays decides the final Deputy Collector rank.
Tamil Nadu SCERT Samacheer Kalvi Books (Class 6-12), Thirukkural, Keeladi
GS 1 (History/Social Issues), GS 2 (Polity/Tamil Heritage), GS 3 (Economy/Eco)
Full syllabus revision, Aptitude (25 Qs), Tamil Nadu Current Affairs
Full 4-paper simulation, interview coaching in Chennai
Topper-validated standard reference books and chapter-wise question banks
Author: Dr. K.K. Pillay / TN SCERT | Pub: Tamil Nadu Textbook and Educational Services Corporation
The ultimate academic authority on Sangam age, Pallavas, Cholas, Pandyas, Keeladi, and social reform movements.
Author: Manikandan / S. Suresh | Pub: Suresh IAS Academy / Vetrii IAS
Targeted specifically to the 30 Prelims questions and Mains sections covering HDI, social justice, and e-governance.
Author: M. Laxmikanth | Pub: McGraw Hill
The standard reference for Prelims and Mains Paper 3 (Polity & Governance).
Author: Sura Editorial Board / Kaniyan | Pub: Sura Publications Chennai
Authentic past papers of TNPSC Group 1 with bilingual explanations mapped to the revised syllabus.
Official past category-wise cutoffs to benchmark your target mock scores
| Cycle / Tier / Service | General (UR) | OBC | EWS | SC | ST | Scope & Remarks |
|---|---|---|---|---|---|---|
| 2022 Prelims (Out of 300 Marks) | 217.50 Marks (~145 Qs) | 214.50 Marks (BC/MBC) | N/A | 198.00 Marks | 186.00 Marks | Cutoff out of 300 marks (200 questions of 1.5 marks each); no negative marking. |
| 2020 Prelims (Out of 300 Marks) | 213.00 Marks (~142 Qs) | 208.50 Marks | N/A | 192.00 Marks | 180.00 Marks | Screening cutoff for Mains examination entry. |
| 2022 Final Merit (Out of 850 Marks) | 542.50 Marks (Deputy Collector) | 528.00 Marks | N/A | 495.00 Marks | 472.00 Marks | Final aggregate out of 850 (Mains 750 + Interview 100). |
From initial application to final cadre allocation and joining the training academy
Apply online at tnpsc.gov.in using One Time Registration (OTR).
Appear for single 200-question paper (300 marks, 3 hours) with no negative marking (top 20x qualify for Mains).
Write 3 descriptive merit papers (750 marks) + 1 qualifying Tamil paper (100 marks) over 4 days in Chennai.
Attend board interview in Park Town, Chennai (100 Marks).
Merit ranking out of 850 determines allocation to Deputy Collector, DSP, or Assistant Commissioner Commercial Taxes followed by training at Anna Administrative Staff College (AASC) Chennai.
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