The Tamil Nadu Public Service Commission has published the TNPSC CTS Syllabus 2026 on https://tnpsc.gov.in. This examination is for the recruitment of various posts, including Assistant Engineer (Civil/Mechanical/Electrical), Environmental Scientist, and Project Officer, among others.
The selection process consists of a written exam followed by an interview for certain posts. Candidates must be well-acquainted with the exam structure to ensure effective preparation. Refer to the official syllabus PDF for comprehensive details regarding the topics, weightage, and exam pattern.
TNPSC CTS Syllabus 2026 – Overview
| Particulars | Details |
|---|---|
| Exam Name | TNPSC Combined Technical Services Examination |
| Organization | Tamil Nadu Public Service Commission (TNPSC) |
| Post Name | Assistant Engineer (Civil/Mech./Electrical), Environmental Scientist, Project Officer & Others |
| Total Vacancies | 461 Posts |
| Exam Mode | Offline (OMR-based) |
| Exam Type | Objective (MCQ) |
| Number of Papers | 2 (Paper I & Paper II) |
| Total Marks | Paper I: 150 |
| Exam Duration | Paper I: 3 Hours |
| Negative Marking | 1/3 Mark |
| Selection Process | Written Exam + Interview (for Interview Posts) |
| Exam Language | English / Tamil |
| Official Website | https://tnpsc.gov.in |
TNPSC CTS Exam Pattern 2026
Understanding the TNPSC CTS exam pattern 2026 is essential for effective preparation.
Exam Pattern for Posts other than Translator (Non-Interview / Interview Posts)
| Paper No. | Subject | No. of Questions | Total Marks | Duration |
|---|---|---|---|---|
| Paper – I | Tamil Eligibility Test | 100 | 150 | 3 Hours |
| General Studies | 75 | |||
| Aptitude & Mental Ability Test | 25 | |||
| Paper – II | Subject Paper (Technical) | 200 | 300 | 3 Hours |
Important Points:
- The Tamil Eligibility Test is qualifying in nature.
- Minimum qualifying marks are required in the Tamil Eligibility Test.
- There is a negative marking of 1/3 mark for wrong answers.
- Question papers are available in both English and Tamil.
TNPSC CTS Syllabus 2026 – Subject-Wise Topics
1. Paper I: Tamil Eligibility Test
- Tamil Language Proficiency (SSLC Standard)
- Grammar, Vocabulary, Comprehension, etc.
2. General Studies
- Ancient, Medieval & Modern Indian History
- Physical, Indian & World Geography
- Indian Polity & Constitution
- Indian Economy, Planning & Schemes
- Physics, Chemistry & Biology (Science)
- Current Affairs (National & International)
- Sports, Culture, Awards, Important Days
- Tamil Nadu Specific GK
3. Aptitude & Mental Ability Test
- Analogies, Series Completion, Coding-Decoding
- Blood Relations, Direction Sense
- Logical Deduction, Syllogism
- Number Series, Ratio & Proportion
- Profit & Loss, Time & Work, Speed & Distance
- Data Interpretation, Percentage
- Visual Reasoning, Mirror Images
4. Paper II: Subject Specific (Technical Paper)
- Civil Engineering – Building Materials, Surveying, Strength of Materials, Structural Analysis, etc.
- Mechanical Engineering – Thermodynamics, Engineering Mechanics, Fluid Mechanics, etc.
- Electrical Engineering – Electrical Circuits, Machines, Power Systems, etc.
- Other technical subjects as per the post (Environmental Science, etc.)
Important Topics for TNPSC CTS Exam 2026
High Priority Topics:
- Current Affairs (Last 6-12 months)
- Tamil Nadu Specific GK & Schemes
- Technical Subject (Core Engineering Topics)
- Aptitude – Data Interpretation, Percentage, Ratio
- General Studies – Polity, Economy & History
TNPSC CTS Exam Preparation Tips 2026
- Understand the Exam Pattern: Download the official PDF to map out topics.
- Create a Realistic Study Timetable: Focus heavily on the Technical Paper and Current Affairs.
- Refer to Standard Materials: Use recommended books for General Studies and Technical subjects.
- Practice Previous Papers: Identify exam trends and frequently asked questions.
- Take Regular Mock Tests: Improve speed and accuracy for the 3-hour papers.
- Focus on Tamil Eligibility Test: Ensure you score the required minimum qualifying marks.
Best Books for TNPSC CTS Preparation 2026
| Subject | Recommended Books | Author/Publication |
|---|---|---|
| General Studies | TNPSC General Studies Manual | Various / Arihant |
| Aptitude & Reasoning | Quantitative Aptitude | R.S. Aggarwal |
| Tamil Eligibility | TNPSC Tamil Books (SSLC Level) | Standard Tamil Books |
| Technical Subject | Subject-specific Degree Level Books | As per the Branch |
| Current Affairs | Manorama Yearbook / Pratiyogita Darpan | Various |
Important Links
| Particulars | Link |
|---|---|
| Official Website | Click Here |
| Download TNPSC CTS Syllabus PDF 2026 | Click Here |
Frequently Asked Questions (FAQs)
Q1. How do I get the official TNPSC CTS syllabus PDF?
Ans. You can download the exact syllabus document straight from the official TNPSC portal using the direct link provided in our Important Links table above.
Q2. Which subjects should I focus on for this exam?
Ans. You’ll need to prepare for two papers. Paper I includes the Tamil Eligibility Test, General Studies, and Aptitude. Paper II is entirely focused on your specific technical subject, such as Civil or Mechanical Engineering.
Q3. How many open positions are available?
Ans. TNPSC has announced a total of 461 vacancies across various roles, including Assistant Engineer, Environmental Scientist, and Project Officer.
Q4. Is there negative marking in the TNPSC CTS exam?
Ans. Yes, you need to be careful with your answers. There is a penalty of 1/3 mark deducted for every incorrect response.
Q5. What is the overall paper structure?
Ans. The exam is divided into two parts. Paper I covers general topics and language eligibility, while Paper II tests your core technical knowledge. Both are 3 hours long.
Q6. Will I have to sit for a personal interview?
Ans. It depends on the specific role you applied for. Some posts require an interview after you clear the written exam, while others do not.
Q7. Can I take the exam in Tamil?
Ans. Absolutely. The question papers will be printed bilingually, allowing you to read questions in both English and Tamil.
