The syllabus for the TNPSC Junior Draughting Officer (JDO) exam includes two main papers:
Paper I: Subject Paper (Diploma Standard)
- Civil Engineering:
- Engineering Mechanics
- Mechanics of Structure
- Construction Materials & Construction Practice
- Transportation Engineering
- Hydraulics
- Surveying
- Environmental Engineering and Pollution Control
- Estimating and Costing
- Structural Engineering
- Construction Management
Paper II: General Studies and Aptitude
- General Studies (HSC Standard):
- General Science (Physics, Chemistry, Botany, Zoology)
- Current Events (History, Political Science, Geography, Economics, Science)
- Geography
- History and Culture of India and Tamil Nadu
- Indian Polity
- Indian Economy
- Indian National Movement
- Aptitude and Mental Ability Test (SSLC Standard):
- Conversion of Information to Data
- Compilation and Presentation of Data
- Simplification, Percentage, HCF, LCM
- Ratio and Proportion, Simple and Compound Interest
- Area, Volume, Time and Work
- Logical Reasoning, Puzzles, Dice, Visual Reasoning, Alpha-numeric Reasoning, Number Series