The Tamil Nadu Public Service Commission is going to conduct the Combined Technical Services Examination to recruit eligible candidates for 461 vacancies. Candidates applying for the exam must review the TNPSC CTS Syllabus 2026 to begin their preparation and to create a good study plan. The syllabus will outline all the subject-specific topics that candidates must cover while preparing for the exam.
TNPSC CTS Syllabus and Exam Pattern 2026
The selection of candidates for 461 Assistant Engineer (Civil/Mech./Electrical), Environmental Scientist, Project Officer, and other posts will be based on their performance in the written exam. To prepare effectively for the exam, candidates must have knowledge of the TNPSC CTS Syllabus and Exam Pattern 2026. Preparing according to the syllabus helps candidates to focus on the relevant topics rather than wasting their time irrevelent topics.
| TNPSC CTS Syllabus and Exam Pattern 2026- Overview | |
| Organization | Tamil Nadu Public Service Commission (TNPSC) |
| Exam Name | Combined Technical Service Examination |
| Post | Assistant Engineer (Civil/Mech./Electrical), Environmental Scientist, Project Officer, and others |
| Vacancy | 461 |
| Mode of Exam | Offline (OMR-based) |
| Type of Questions | Multiple Choice Questions (MCQs) |
| Number of Papers | 2 (Paper 1 & 2) |
| Duration | Paper 1- 3 Hours Paper 2- 2.5 Hours |
| Negative Marking | 1/3 Mark |
TNPSC CTS Exam Pattern 2026
The TNPSC CTS 2026 Exam will include 2 papers, i.e., Paper 1 & Paper 2. The paper 1 will include 3 parts, i.e., Tamil Eligibility Test, General Studies, and Aptitude and Mental Ability Test, while the paper 2 will be subject-specific.
Exam Pattern for Posts other than Translator:
| Paper No. | Subject | Number Of Questions | Total Marks | Exam Duration |
| Paper – I | Tamil Eligibility Test | 100 | 100 | 3 Hours |
| General Studies | 75 | 75 | ||
| Aptitude and Mental Ability Test | 25 | 25 | ||
| Paper – II | Subject Paper | 300 | 300 | 3 Hours |
Exam Pattern Translator Post:
| Paper No. | Subject | No. of Questions | Maximum Marks | Duration |
|---|---|---|---|---|
| Paper – I |
Part A – Tamil Eligibility Test | 100 | 150 | 3 hours |
| Part B – General Studies | 75 | 150 | ||
| Part C – Aptitude and Mental Ability | 25 | |||
| Paper – II | Translation | – | 100 | 2½ hours |
TNPSC CTS Syllabus 2026
Understanding the latest TNPSC CTS Syllabus 2026 helps candidates plan their preparation effectively and focus on important topics asked in the examination. The TNPSC CTS syllabus generally includes subjects such as General Tamil/General English, General Studies, Aptitude and Mental Ability, and subject-specific technical topics based on the post applied for.
General Studies Syllabus
- Ancient India
- Medieval India
- Modern India
- Physical Geography
- Indian Geography
- World Geography
- Indian Constitution
- Political System in India
- State Government
- Basics of the Indian Economy
- Economic Planning
- Physics
- Chemistry
- Biology
- Current Affairs
- Sports and Culture
- Indian Awards and Honors
- Famous Personalities
- Important Days and Dates
- Major Economic Schemes and Policies
Aptitude & Mental Ability Syllabus
- Analogies
- Series Completion
- Coding-Decoding
- Blood Relations
- Mirror Images
- Embedded Figures
- Paper Folding and Cutting
- Pattern Completion
- Logical Deduction
- Logical Sequences
- Seating Arrangement
- Data Interpretation
- Venn Diagrams
- Syllogism
- Number Series
- Speed, Time, and Distance
- Profit and Loss
- Time and Work
- Ratio and Proportion
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