TNPSC Combined Technical Services Examination 2026: The Tamil Nadu Public Service Commission (TNPSC) has officially released its major employment notification (Advt. No. 04/2026) for the Combined Technical Services Examination (CTSE) 2026. This highly sought-after recruitment drive offers 461 permanent vacancies across various state government departments, public sector undertakings (PSUs), and boards in Tamil Nadu.
The exam covers elite specialist positions including Assistant Engineers (Civil, Mechanical, Electrical, Agri), Assistant Geologists, Agriculture/Horticulture Officers, Drug Inspectors, Block Health Statisticians, and more.
The online application portal will become operational on May 27, 2026, and eligible technical professionals can submit their digital applications until June 25, 2026.
TNPSC Combined Technical Services 2026 Overview
| Particulars | Details |
| Recruitment Board | Tamil Nadu Public Service Commission (TNPSC) |
| Exam Name | Combined Technical Services Examination 2026 |
| Advt. No. | 04/2026 |
| Total Vacancies | 461 Posts |
| Job Type | Permanent State Government / PSU Framework |
| Job Location | Tamil Nadu |
| Application Mode | Online via TNPSC OTR Portal |
| Selection Criteria | Written Competitive Examination & Certificate Verification |
| Official Website | tnpsc.gov.in |
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Important Dates
| Event Milestone | Important Dates |
| Official Notification Released | 20 May 2026 |
| Online Application Commences | 27 May 2026 |
| Last Date to Apply Online | 25 June 2026 (11:59 PM) |
| Online Form Correction Window | 29 June to 01 July 2026 |
| Written Examination Schedule | To be announced soon |
Application & Processing Fees
| Fee Component Type | General / OBC / MBC Candidates | SC / ST / PwD / Destitute Widows |
| One-Time Registration (OTR) Fee | ₹150/- (If not registered earlier) | ₹150/- (Mandatory for all) |
| Written Examination Fee | ₹100/- | ₹0/- (Completely Exempted) |
| Payment Mode | Online Mode Only (Net Banking, Cards, UPI) |
Age Limit (as on 01 July 2026)
- Minimum Age baseline: 18 Years.
- Maximum Age limit: Varies between 32 to 37 years for open categories depending strictly on the chosen post tier code.
- Relaxation: No upper age limit is applicable for registered SC, ST, MBC, BC, and BCM candidates for most structural state department positions as per standard Tamil Nadu reservation statutes.
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Post Wise Vacancies
| Post Name | Post Code | Department | Total Post |
| Assistant Geologist | 1863 | Geology and Mining | 08 |
| Assistant Geologist | 1677 | Agricultural Engineering | 02 |
| Assistant Engineer (Agricultural Engineering) | 1667 | Agricultural Engineering | 64 |
| Agriculture Officer (Extension) | 1678 | Agriculture | 11 |
| Drug Inspector | 1972 | Drug Control Administration | 09 |
| Horticultural Officer | 3001 | Horticulture | 17 |
| Assistant Engineer | 1661 | Highways | 38 |
| Assistant Director (Industrial Safety and Health) | 1664 | Industrial Safety and Health | 03 |
| Junior Assistant Director of Boilers | 3008 | Public Works | 02 |
| Junior Architect | 1860 | Public Works | 05 |
| Assistant Engineer (Civil) | 3656 | Public Works | 14 |
| Assistant Engineer (Electrical) | 1657 | Public Works | 13 |
| Assistant Engineer | 1660 | Rural Development and Panchayat Raj | 50 |
| Assistant Engineer (Civil) | 1656 | Water Resources | 33 |
| Assistant Geologist | 1750 | Water Resources | 09 |
| Assistant Engineer (Civil) | 3230 | Tamil Nadu Urban Habitat Development Board | 01 |
| Assistant Engineer | 3269 | Tamil Nadu Pollution Control Board | 01 |
| Environmental Scientist | 3606 | Tamil Nadu Pollution Control Board | 04 |
| Architectural Assistant / Planning Assistant | 2108 | Town and Country Planning | 03 |
| Assistant Engineer (Industries) | 1900 | Industries and Commerce | 01 |
| Assistant Manager (IT) | 3810 | Electronics Corporation of Tamil Nadu Limited | 04 |
| Assistant Manager (Civil) | 3811 | Electronics Corporation of Tamil Nadu Limited | 02 |
| Assistant Manager (Electrical) | 3812 | Electronics Corporation of Tamil Nadu Limited | 02 |
| Assistant Accounts Officer | 3814 | Tamil Nadu Medical Services Corporation Limited | 01 |
| Archaeological Officer | 1843 | Archaeology | 10 |
| Research Assistant | 1861 | Evaluation and Applied Research | 02 |
| Junior Scientific Officer (Chemistry: 4, Biology: 2) | 1767 | Forensic Science | 06 |
| Assistant Superintendent of Approved Schools (Men & Women) | 2078 | Child Welfare and Special Services | 02 |
| Assistant Engineer (Civil) | 3368 | State Industries Promotion Corporation of Tamil Nadu | 02 |
| System Manager | 3664 | Civil Supplies and Consumer Protection | 01 |
| Translator | 3106 | Law | 02 |
| Librarian | 1845 | Agriculture | 01 |
| Statistical Assistant | 3125 | Food Safety and Drug Administration | 01 |
| Deputy Manager (Dairying) | 3279 | Tamil Nadu Co-operative Milk Producers’ Federation Limited | 02 |
| Assistant Engineer (Mechanical) | 3611 | Tamil Nadu Magnesites Limited | 03 |
| Assistant Archaeological Officer | 1842 | Archaeology | 10 |
| Assistant Tourist Officer, Grade II | 3111 | Tourism | 04 |
| Assistant Statistical Investigator | 1824 | Economics and Statistics | 13 |
| Block Health Statistician | 2010 | Family Welfare | 62 |
| Junior Photographer | 3805 | Tamil Development and Information | 23 |
| Assistant Librarian | 2013 | Legal Studies | 05 |
| Assistant Warehouse Manager / Junior Assistant | 3388 | Tamil Nadu Warehousing Corporation Limited | 01 |
| Junior Chemist | 3609 | Tamil Nadu Magnesites Limited | 03 |
| Assistant Engineer (Mechanical) | 3268 | Tamil Nadu Power Distribution Corporation Limited | 01 |
| Assistant General Manager / Regional Manager | 3798 | Tamil Nadu Handloom Weavers Co-operative Society Limited | 10 |
| Grand Total Post | 461 | ||
Post Wise Qualification
- Assistant Geologist (Post Code – 1750) : Master of Science degree in Geology or Master of Science degree in Applied Geology or Master of Science (Technology) in Hydrogeology from any University recognized by UGC.
- Assistant Geologist (Post Code – 1677) : M.Sc. Degree in Geology.
- Assistant Geologist (Post Code – 1863) : M.Sc. Degree in Geology or Applied Geology from any University recognized by UGC.
- Assistant Engineer (Agri Engg) (Post Code – 1667) : B.E. / B.Tech in Agricultural Engineering or B.Sc. (Agricultural Engineering) and B.E. (Mechanical) or B.E. (Civil) or B.Tech. (Automobile Engineering) or B.E. (Production Engineering) or B.E. (Industrial Engineering) or B.E. (Civil and Structural Engineering) or B.E. (Mechanical and Production Engineering).
- Agriculture Officer (Extension) (Post Code – 1678) : Bachelor Degree in Agriculture and adequate knowledge of Tamil.
- Librarian (Post Code – 1845) : Degree and B.Lib Science Degree.
- Assistant Librarian (Post Code – 2013) : Bachelor’s Degree and Bachelor’s Degree in Library Science or Library and Information Science.
- Archaeological Officer (Post Code – 1843) : Post Graduate Degree in Ancient History and Archaeology or Archaeology or History and Archaeology or Epigraphy and Archaeology or History, Archaeology and Manuscriptology and Tamil as one of the subjects in Degree level.
- Assistant Archaeological Officer (Post Code – 1842) : Any Post Graduate Degree and one year Post Graduate Diploma in Epigraphy and Archaeology or two years Post Graduate Diploma in Archaeology or Epigraphy or Heritage Management and Museology and Tamil as one of the subjects in Degree level.
- System Manager (Post Code – 3664) : B.E. or B.Tech in Computer Science and Engineering or Computer Engineering or Information Technology or Electronics and Communication Engineering or Electrical and Electronics Engineering or Post Graduate Degree in Computer Applications (MCA) or Computer Science or Information Technology.
- Assistant Manager (IT) (Post Code – 3810) : B.E. or B.Tech with overall first class in Computer Science and Engineering or Computer Engineering or Information Technology or Electronics and Communication Engineering or Electrical and Electronics Engineering and overall first class in SSLC and HSC.
- Drug Inspector (Post Code – 1972) : Degree in Pharmacy or Pharmaceutical Sciences or Medicine with specialization in Clinical Pharmacology or Microbiology.
- Research Assistant (Post Code – 1861) : First Class Post Graduate Degree in Economics or Econometrics or Statistics or Business Administration or Mathematics or Social work or Sociology or Anthropology or Agricultural Economics or Public Administration.
- Block Health Statistician (Post Code – 2010) : Degree in Statistics or Mathematics or Economics.
- Assistant Statistical Investigator (Post Code – 1824) : Degree in Statistics or Mathematics or Economics or Applied Economics or Business Economics.
- Horticultural Officer (Post Code – 3001) : B.Sc. Horticulture.
- Assistant Engineer (Industries) (Post Code – 1900) : Bachelor of Engineering or Bachelor of Technology degree in any discipline except Civil Engineering and Architectural Engineering.
- Junior Architect (Post Code – 1860) : Degree in Architecture and registered member of the Council of Architecture.
- Translator (Post Code – 3106) : Degree in Law and Proficiency in Tamil.
- Junior Assistant Director of Boilers (Post Code – 3008) : Degree in Mechanical Engineering or pass in Associate Membership Examination of the Institution of Engineers, India with Mechanical Engineering.
- Assistant Engineer (Civil) (Post Code – 3656) : B.E. Degree in Civil Engineering or Civil and Structural Engineering.
- Assistant Manager (Civil) (Post Code – 3811) : B.E. or B.Tech in Civil Engineering or Civil and Structural Engineering with overall first class and overall first class in SSLC and HSC.
- Assistant Manager (Electrical) (Post Code – 3812) : B.E. or B.Tech in Electrical Engineering or Electronics and Communication Engineering or Electrical and Electronics Engineering with overall first class and overall first class in SSLC and HSC.
- Assistant Engineer (Electrical) (Post Code – 1657) : Degree in Electrical Engineering or Electronics and Communication Engineering.
- Assistant Engineer (Mechanical) (Post Code – 3611) : B.E. Mechanical Engineering.
- Assistant Engineer (Mechanical) (Post Code – 3268) : B.E. Mechanical Engineering.
- Assistant Warehouse Manager / Junior Assistant : Degree in Agriculture or Science with Chemistry, Botany or Zoology as major or ancillary subject.
- Deputy Manager (Dairying) (Post Code – 3279) : Degree with IDD or NDD or Post Graduate Degree in Dairy Science or B.Tech in Food Technology or Dairy Technology or Food Processing.
- Architectural Assistant / Planning Assistant : Master Degree of Town Planning or Associate Membership of Institute of Town Planners of India or Institute of Architects of India or Degree in Civil Engineering or Degree in Architecture or A.M.I.E (Civil).
- Assistant General Manager / Regional Manager : Any UG Degree with MBA in Marketing or Finance or Human Resource.
- Junior Photographer (Post Code – 3805) : B.Sc. degree in Visual Communication.
- Assistant Superintendent of Approved Schools : Master’s degree in Criminology or Forensic Science or B.A. degree in Psychology or Philosophy with Psychology as one of the subjects.
- Statistical Assistant (Post Code – 3125) : Master degree in Mathematics or Statistics with working knowledge of computer statistical tools.
- Assistant Director (Industrial Safety and Health) : Degree in Mechanical or Electrical or Chemical Engineering or Textile Technology or Industrial Engineering or Production Engineering.
- Junior Chemist (Post Code – 3609) : B.Sc. (Chemistry).
- Assistant Engineer (Post Code – 3269) : Master’s Degree in Environmental Engineering or Chemical Engineering or M.Tech. Environmental Science and Technology or M.E. Environmental Management with basic qualification of Bachelor’s Degree in Civil Engineering or Chemical Engineering or Environmental Engineering.
- Environmental Scientist (Post Code – 3606) : Master’s Degree in Science in Chemistry or Biology or Zoology or Environmental Chemistry or Environmental Science or Environmental Toxicology or Microbiology or Marine Biology or Bio-Chemistry or Analytical Chemistry or Applied Chemistry or Botany.
- Assistant Tourist Officer, Grade II (Post Code – 3111) : Degree in Travel and Tourism or any Degree with Diploma in Tourism and Certificate Course in Computer on Office Automation and Proficiency in English and Tamil.
- Junior Scientific Officer (Post Code – 1767) : M.Sc. (Forensic Science) degree and a degree in the relevant subject or M.Sc. degree in the relevant subject.
- Assistant Accounts Officer (Post Code – 3814) : Any Degree and passed Intermediate Examination of Institute of Chartered Accountants of India or Institute of Cost Accountants of India.
Selection Process
- Written Competitive Examination: Consists of two objective papers evaluated via offline/CBT scripts.
- Certificate Verification & Document Cross-Checking: Matching native certificates, Tamil language qualifications, and original engineering/postgraduate degree transcripts.
Written Exam Pattern
- Paper-I (Subject Paper): 200 Questions (300 Marks – 3 Hours) covering core technical engineering or science syllabus domains specific to your applied post stream.
- Paper-II (Part A): Tamil Eligibility Test: 100 Questions (150 Marks) — Mandatory qualifying stage where scoring at least 40% (60 marks) is required to unlock the evaluation of Paper-I and Paper-II Part B.
- Paper-II (Part B): General Studies: 100 Questions (150 Marks) covering General Science, Indian Polity, History, Economy, and Aptitude/Mental Ability metrics.
How to Apply Online for TNPSC CTSE 2026
- Visit the official unified career portal of the commission: tnpscexams.in or tnpsc.gov.in.
- Complete OTR Registration: If you are a fresh user, build your One-Time Registration (OTR) profile using your biometrics, pay the ₹150 framework processing fee, and generate your lifelong login access code.
- Log In: Enter your official OTR user ID and security password.
- Navigate to the active dashboard tracking card marked “Combined Technical Services Examination 2026” and click on “Apply Now”.
- Form Data Entry: Select your single post or multi-post preference list based on your educational qualifications, and cross-verify your academic marks layouts.
- Upload Media files: Upload clean scannable copies of your passport photo and signature file matching the strict dimensional guidelines of the portal.
- Examination Fee Settlement: Complete the ₹100 exam fee requirement through integrated internet banking or card processing portals (Exempted reservation categories will skip this automatically).
- Finalize & Print: Review your confirmation sheet layout carefully, tap “Submit”, and print out a hard copy of the final application confirmation page for preservation.
Important Related Links
| Title | Link |
| Online Apply | Apply Now |
| Download Official Notification | Download Now |
| TNPSC Official Commission Portal | Visit Now |
FAQs – TNPSC CTS Recruitment 2026
Q1. Can final-year students apply for the TNPSC Combined Technical Services Exam?
Ans: No. Candidates must possess the prescribed professional engineering degree or postgraduate science certificate along with all provisional certificates on or before the online registration closing timeline (June 25, 2026).
Q2. What happens if a candidate fails the Tamil Language Eligibility Test in Paper-II?
Ans: The Tamil Eligibility component (Paper-II, Part A) is strictly qualifying in nature. If a candidate fails to score the minimum threshold of 40% (60 Marks out of 150), their technical subject paper (Paper-I) and General Studies sections will not be evaluated at all.
Q3. Are candidates residing outside the state of Tamil Nadu eligible to apply?
Ans: Yes, candidates from other states are eligible to apply under the Open Competition (General/UR) pool, provided they satisfy the explicit educational guidelines and can clear the mandatory Tamil Language Eligibility Test framework.
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