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About
TNPSC JDO

The Tamil Nadu Public Service Commission (TNPSC) conducts the Junior Draughting Officer (JDO) examination to recruit candidates for various engineering departments within the Tamil Nadu state government. These departments handle civil infrastructure projects, town planning, roadways, and other engineering-related works

IMPORTANT DETAILS

TNMAWS IMPORTANT DETAILS
Exam Name & Board The Tamil Nadu Directorate of Technical Education (TNDTE) plays a role in setting diploma-level education standards, which are required for JDO eligibility.
Major Core Engineering Civil Engineering, Architectural Assistantship, Handloom Technology, Textile Technology, Textile Manufacture (Diploma / ITI Level)
Major Departments Rural Development and Panchayat Raj, Highways, Town and Country Planning, WRD & PWD
No. of Vacancies More than 1000+ Vacancies (in 2024)
Salary ₹35,400 to ₹1,12,400 (Level 1 Pay Matrix)
Mode of Examination Offline (OMR based Pen & Paper test) – MCQ’s
Notification Details Will be released on 13th Aug 2025 and Examination is on 17th Nov 2025 (According to the annual planner)
TN-TRB Official Website https://www.tnpsc.gov.in/

SELECTION PROCEDURE & EXAM PATTERN

Paper Subject Number of Questions Maximum Marks Duration
Paper I Subject Paper (Civil Engineering/Architectural Assistantship/Handloom Technology/Textile Technology/Textile Manufacture) 200 300 3 hours
Paper II Part A: General Studies (HSC Standard) 75 150 2 hours
Paper II Part B: Aptitude and Mental Ability Test (SSLC Standard) 25 50 1 hour
Total 300 500 5 hours

Keypoints

  • Paper I: This paper focuses on the candidate’s specialized subject area, depending on their educational background. It consists of 200 objective-type questions, carrying a total of 300 marks, with a duration of 3 hours.
  • Paper II: Divided into two parts:
    • Part A: General Studies, comprising 75 objective-type questions at the Higher Secondary (HSC) standard, totalling 150 marks.
    • Part B: Aptitude and Mental Ability Test, consisting of 25 objective-type questions at the Secondary School Leaving Certificate (SSLC) standard, totalling 50 marks.
  • Total Duration and Marks: The combined duration for both papers is 5 hours, with a total of 500 marks.
  •  The Educational Qualification and Age Limit are given below.
    For Engineering Aspirants: A Bachelor’s Degree in the appropriate branch of Engineering with not less than sixty Percent of marks.
  • Generally, 18–32 years, with relaxations for reserved categories as per government norms.
Post Required Educational Qualification Eligible Core Branches
Junior Draughting Officer (JDO) – Public Works Department (PWD) Diploma in Civil Engineering from a recognized institution Civil Engineering
Junior Draughting Officer (JDO) – Highways Department Diploma in Civil Engineering from a recognized institution Civil Engineering
Junior Draughting Officer (JDO) – Water Resources Department Diploma in Civil Engineering from a recognized institution Civil Engineering
Draughtsman Grade-II – Town and Country Planning Department Diploma in Civil Engineering, Architectural Assistantship, Handloom Technology, Textile Technology, Textile Manufacture Civil Engineering, Architectural Assistantship, Handloom Technology, Textile Technology, Textile Manufacture

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I had a great experience at Vetrii Engineering Academy. The faculty members are highly knowledgeable and very supportive. They're always ready to clarify doubts and guide students in the right direction. The teaching is structured and focused, and I really appreciated how they consistently discussed previous years’ TNPSC questions, which helped me understand the exam pattern better. The overall service and learning environment are excellent. Highly recommended for serious aspirants!
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Vetrii Engineering Academy is one of the best places for GATE exam preparation. The faculty is not only well-qualified but also very approachable and cooperative. They create a motivating learning environment and put a lot of focus on solving previous years’ GATE question papers, which really boosts confidence. Their guidance and consistent support make a big difference. Great service and a very student-friendly approach!

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I’m really glad I chose Vetrii Engineering Academy, Vadapalani, for my TNPSC preparation. The faculty members are dedicated and always ready to help—whether it’s clearing concepts or offering extra guidance. What stood out most was their regular discussion of previous years' TNPSC questions, which made the learning process much more effective. The staff is friendly, the environment is encouraging, and the overall support is top-notch. A great place for focused and result-oriented preparation!
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