TNPSC Combined Technical Services Syllabus 2025

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TNPSC Combined Technical Services New Exam Pattern 2025
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TNPSC CTS Exam Pattern 2025

• Conducting Authority: TNPSC Combined Technical Services
• Exam Mode: Written Test and Interview
• Questions: 200
• Duration: Paper-I - 3 Hours 
• Duration: Paper-II - 2 Hours
• Total Marks: Paper-I - 300 Marks 
• Total Marks: Paper-II - 200 Marks

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TNPSC CTS Syllabus 2025 PDF Exam Pattern

Paper I:-

Surveying:-

• Chain Surveying
• Compass Surveying
• Plane Table Surveying
• Theodolite Surveying
• Levelling, Contouring
• Computation of Areas and Volumes

Building Materials:-

• Stones
• Bricks
• Cement
• Lime
• Timber
• Paints and Varnishes
• Miscellaneous Materials

Construction Technology:-

• Foundations
• Brick Masonry
• Stone Masonry
• Doors and Windows
• Floors and Roofs
• Scaffolding
• Formwork

Civil Engineering Drawing:-

• Building Drawing
• Plan
• Elevation and Section
• Doors and Windows
• Staircases
• Detailing of Structural Elements

Estimating and Costing:-

• Types of Estimates
• Detailed and Abstract Estimates
• Rate Analysis
• Valuation

Environmental Engineering:-

• Water Supply
• Sanitation
• Sewage Treatment
• Solid Waste Management

Transportation Engineering:-

• Roads
• Railways
• Bridges
• Traffic Engineering

Irrigation Engineering:-

• Types of Irrigation
• Canals
• Dams
• Water Logging
• Drainage

Survey Instruments:-

• Levels
• Theodolites
• Total Stations
• GPS
• EDM Instruments

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Paper II:-

General Studies:-

• General Science (Physics, Chemistry, Biology)
• Current Events
• Geography
• History and Culture of India
• Indian Polity
• Indian Economy
• Indian National Movement
• Development Administration in Tamil Nadu

Aptitude & Mental Ability:-

• Simplification
• Percentage
• Ratio and Proportion
• Simple and Compound Interest
• Area and Volume
• Time and Work
• Logical Reasoning
• Puzzles
• Number Series
• Data Interpretation

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