Where can I check the TNPSC CTS Syllabus 2026?

Candidates can check the detailed TNPSC CTS Syllabus 2026 in the article.

What posts are announced under TNPSC CTS Syllabus 2026?

Combined Technical Services posts are announced under TNPSC CTS Syllabus 2026.

TNPSC CTS Syllabus 2026, Check Exam Pattern & Subject-wise Topics Here

Table of Contents

The TNPSC has released the CTS syllabus on its official website. It conducts the Combined Technical Services (CTS) Examination for Degree Level (AE) and Diploma/ITI Level. Candidates preparing for any exam must check the TNPSC CTS Syllabus & Exam Pattern 2026. In this article, we have provided both syllabus together along with the exam pattern, subject-wise topics, and official PDF links.

TNPSC CTS Syllabus 2026 – Overview

Particulars	Details
Organization	Tamil Nadu Public Service Commission (TNPSC)
Exam Name	Combined Technical Services Examination
Levels Covered	Degree Level (AE) & Diploma/ITI Level
Posts (Degree Level)	Assistant Engineer (Civil/Mechanical/Electrical), Environmental Scientist, Project Officer, and others
Posts (Diploma/ITI Level)	Draughtsman, Field Assistant, Technical Assistant, and other Diploma/ITI posts
Mode of Exam	OMR/CBT based
Type of Questions	Multiple Choice Questions (MCQs)
Number of Papers	Paper I & Paper II
Negative Marking	1/3 Mark
Official Website	tnpsc.gov.in

TNPSC CTS Exam Pattern 2026

The TNPSC CTS Exam Pattern 2026 for Diploma ITI & Degree Posts is divided into 2 parts. Paper 1 & Paper 2 Exam Pattern, which is described below.

TNPSC CTS Exam Pattern For Degree Posts

Exam Pattern for All Posts other than Translator

Paper	Subject	No. of Questions	Marks
Paper I	Tamil Eligibility Test	100	100
	General Studies	75	75
	Aptitude & Mental Ability	25	25
	Total	200	200
Paper II	Subject Paper	200	300

NOTE:
Paper 1 carries 200 marks, while Paper 2 carries 300 marks.
Both Papers exam duration of both papers is 3 Hours.

Exam Pattern for Translator Posts

Paper	Subject	No. of Questions	Marks
Paper I	Tamil Eligibility Test	100	150
	General Studies	75	150
	Aptitude & Mental Ability	25	150
Paper II	Translation	—	100

Note:
Paper 1 carries 300 marks, while Paper 2 carries 100 marks.
Paper 1 exam duration is 3 hours, while Paper 2 exam duration is 2.5 Hours.

TNPSC CTSE Diploma Exam Pattern

Paper	Subject	No. of Questions	Marks	Duration
Paper I	Tamil Eligibility Test	100	150	3 Hours
	General Studies	75	150
	Aptitude & Mental Ability	25	150
	Total	200	300
Paper II	Subject Paper	200	300	3 Hours

TNPSC CTS Paper I Syllabus 2026

TNPSC CTS Paper I syllabus consists of Tamil Eligibility Test, General Studies, & Aptitude & Mental Ability subjects, which are the same for both Degree and ITI Diploma exams. Candidates can check their topic-wise TNPSC CTS Syllabus & TNPSC CTSE Diploma Syllabus for the Paper I exam in the table below.

TNPSC CTS Tamil Eligibility Test Syllabus

Important Topics for Tamil Eligibility Test

Tamil Grammar
Vocabulary
Synonyms and Antonyms
Comprehension
Sentence Formation
Usage of the Tamil Language
Proverbs and Idioms
Error Detection

TNPSC CTS General Studies Syllabus

Important Topics of General Studies

Topics of History

Ancient India
Medieval India
Modern India
Indian National Movement
Tamil Nadu History and Culture

Topics of Geography

Physical Geography
Indian Geography
World Geography
Geography of Tamil Nadu

Topics of Polity

Indian Constitution
Fundamental Rights
Directive Principles
Parliament and State Legislature
Local Self-Government

Topics of Economics

Indian Economy
Economic Development
Government Schemes
Budget and Planning

Topics of Science

Physics
Chemistry
Biology
Environmental Science

Topics of Current Affairs

National and International Events
Sports
Awards and Honours
Science & Technology
Government Initiatives

TNPSC CTS Aptitude & Mental Ability Syllabus

Important Topics of Aptitude & Mental Ability

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

TNPSC CTSE Paper II Syllabus 2026

TNPSC CTS Paper 2 Syllabus varies according to the post, which includes both engineering-based topics & diploma-based topics of Civil, Mechanical, Electrical, Electronics & Communication Engineering, Computer Science, Agriculture, Horticulture, Library Science, Business Administration, & more technical subjects. The detailed syllabus is given below.

TNPSC CTS Paper II Syllabus (Degree Level)

Engineering Subjects

Important Topics for Engineering Subjects

Engineering Mathematics
Engineering Mechanics
Strength of Materials
Fluid Mechanics
Structural Analysis
Thermodynamics
Heat Transfer
Manufacturing Processes
Electrical Circuits
Electrical Machines
Power Systems
Control Systems
Environmental Engineering

Computer Science & Information Technology Syllabus

Important Topics of Computer Science & Information Technology

Data Structures
Operating Systems
Database Management Systems
Computer Networks
Software Engineering
Programming Concepts
Cyber Security
Web Technologies

Agriculture & Horticulture Syllabus

Important Topics for Agriculture & Horticulture

Agronomy
Soil Science
Plant Breeding
Crop Production
Irrigation Engineering
Pest Management
Horticulture

Science Subjects Syllabus

Important Topics of Science Subjects

Physics
Chemistry
Biology
Environmental Science
Geology
Forensic Science
Genetics
Molecular Biology

Commerce & Management Syllabus

Important Topics of Commerce & Management

Financial Accounting
Cost Accounting
Financial Management
Marketing Management
Human Resource Management
Business Administration

TNPSC ITI Diploma Syllabus

Chemical Engineering and Technology Syllabus (Diploma Standard)

Chemistry and Thermodynamics
Basic Engineering
Chemical Technology
Stoichiometry
Fluid Mechanics, Instrumentation and Control
Mechanical Operations

Civil Engineering Syllabus (Diploma Standard)

Engineering Mechanics
Mechanics of Structures
Construction Materials & Practice
Transportation Engineering
Hydraulics
Surveying & Remote Sensing
Environmental Engineering
Estimating & Costing
Structural Engineering
Construction Management

Mining Engineering Syllabus (Diploma Standard)

Engineering Mechanics & Structures
Hydraulics & Water Supply
Surveying & Advanced Surveying
Construction Management
Mining Geology & Mine Development
Mining Methods
Mine Management & Legislation
Mine Surveying
Mine Planning & Design

Electrical & Electronics Engineering Syllabus (Diploma Standard)

Circuit Theory & DC Machines
AC Machines
Measurements & Instruments
Electronic Devices & Circuits
Analog & Digital Electronics
Generation, Transmission & Switchgear
Distribution & Utilisation
Microcontroller & Applications
Power Electronics & Drives
Control of Electrical Machines

Chemical Engineering Syllabus (Diploma Standard)

Mass Transfer Operations
Chemical Reaction Engineering
Industrial Safety
Pollution Control

Architectural Draughtsman (ITI Standard)

Familiarization with engineering drawing
Construction
AutoCAD & Model Space Viewport in AutoCAD
History of Architecture
Reading and Interpretation of Structural Drawing & SketchUp Software
Working Drawing
Case study, Anthropometry & Ergonomics
Climate Responsive Designs
Revit Software
Green Architecture

Diesel Mechanic (ITI Standard)

Safety Workshop Practice & First Aid, Measuring & Marking Tools
Fastening & Fitting, Hydraulics & Pneumatics
Basic Electrical & Electronics
Vehicle Specification, Service Station Equipment, Engine Classification, Dashboard Gauges
Engine Constructional details
Cooling & Lubrication System
Intake & Exhaust System
Diesel Engine Fuel System
Charging, Starting System and Emission Control
Trouble Shooting

All other branch/trade detailed syllabus has been provided in the detailed syllabus PDF.

TNPSC CTS Syllabus PDF

The TNPSC CTS Syllabus 2026 has been released on the official website for various posts. Candidates applying for these posts must understand the important subjects and topics. The examination consists of a Tamil Eligibility Test, General Studies, Aptitude & Mental Ability, and a Technical topic. Candidates can check the detailed subject-wise syllabus from the official PDF given below.

TNPSC CTSE Official Syllabus PDF – Click Here

TNPSC CTS Exam Preparation Tips

To successfully pass the TNPSC CTS Exam 2026, candidates need a good strategy, commitment, & the right mindset. Follow these helpful tips to improve your preparation:

Understand the exam structure and note down all high-weightage topics so you can make a study plan accordingly.
Allocate fixed hours daily to both study and practice and avoid distractions.
First, focus on the core concepts, while making short notes of key formulas and definitions for last-minute revision.
Practice on previous years’ papers to understand the question format and frequently asked topics in the exam.
Candidates should practice mock tests regularly to analyze their performance & progress, while working on their weak areas.
Be positive, motivated, and believe in your preparation for exam day.