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TNPSC CTS 2026 Addendum 4B Released: Exam Dates Announced & Vacancies Increased to 508

TNPSC CTS 2026 Exam Dates and Vacancy Details The Tamil Nadu Public Service Commission (TNPSC) has officially released the Addendum Notification No. 4B/2026 for the Combined Technical Services Examination (Non-Interview Posts) on 16 July 2026.

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TNPSC CTS 2026 Addendum 4B Released: Exam Dates Announced & Vacancies Increased to 508

July 16, 2026 by admin

TNPSC CTS 2026 Exam Dates and Vacancy Details

The Tamil Nadu Public Service Commission (TNPSC) has officially released the Addendum Notification No. 4B/2026 for the Combined Technical Services Examination (Non-Interview Posts) on 16 July 2026.

This addendum contains important updates including:

Subject-wise Paper-II examination schedule
Revised vacancies for selected posts
Withdrawal of certain posts
Updated document upload instructions
Total vacancies increased to 508

TNPSC CTS 2026 Addendum 4B Highlights

Particular	Details
Notification	Addendum No.4B/2026
Release Date	16 July 2026
Recruitment	Combined Technical Services Examination (Non-Interview Posts)
Main Update	Paper-II Exam Schedule Released
Total Vacancies	508
Official Notification	Download PDF

TNPSC CTS 2026 Subject-wise Examination Schedule

Subject	Code	Date	Session
Civil Engineering	398	16.08.2026	FN
Travel and Tourism	597	16.08.2026	FN
Pharmacy, Clinical Pharmacology and Microbiology	516	17.08.2026	FN
Environmental Science, Biology and Chemistry	557	17.08.2026	AN
Industrial Safety and Health	515	17.08.2026	AN
Archaeology, Epigraphy, Heritage Management and Museology	421	18.08.2026	FN
Architecture	401	18.08.2026	FN
Financial and Cost Accountancy (Intermediate)	433	18.08.2026	AN
Library and Information Science	594	18.08.2026	AN
Environmental and Chemical Engineering	393	18.08.2026	AN
Criminology, Forensic Science, Psychology and Philosophy	571	19.08.2026	FN
Agriculture	491	19.08.2026	FN
Business Administration	385	19.08.2026	FN
Archaeology	420	19.08.2026	AN
Horticulture	493	19.08.2026	AN
Agriculture, Chemistry, Zoology and Botany	518	20.08.2026	FN
Electrical and Electronics Engineering	400	20.08.2026	AN
Agricultural, Mechanical, Automobile and Civil Engineering	562	07.09.2026	FN
Electrical, Electronics and Communication Engineering	514	07.09.2026	AN
Dairy Science, Dairy Technology, Food Technology, Food Processing	579	07.09.2026	AN
Mechanical, Production and Manufacturing Engineering	399	08.09.2026	FN
Physics, Chemistry, Biology, Computer Science and Forensic Science	575	08.09.2026	FN
Town Planning, Civil Engineering and Architecture	560	08.09.2026	AN
Statistics and Mathematics (PG Degree)	506	09.09.2026	FN
Financial and Cost Accountancy (Final)	434	09.09.2026	FN
Evaluation and Applied Research	607	09.09.2026	AN
Geology	395	09.09.2026	AN
Statistics, Mathematics and Economics	504	10.09.2026	AN
Basics of Engineering	422	11.09.2026	FN
Visual Communication	477	11.09.2026	FN
Computer Science, Information Technology, Electrical, Electronics and Communication Engineering	554	12.09.2026	AN
Tamil Eligibility Test, General Studies, Aptitude and Mental Ability	503	19.09.2026	FN
Translation	462	19.09.2026	AN

Exam Date with Timings

Revised Vacancies

Post Name	Revised Vacancies
Junior Scientific Officer	37
Assistant Tourist Officer Grade II	5
Assistant Statistical Investigator	14
Junior Architect	11
Assistant Engineer (Tamil Nadu Pollution Control Board)	2

Posts Withdrawn

Assistant Engineer (Mechanical) – Tamil Nadu Magnesite Limited
Junior Chemist

Updated Instructions

Candidates claiming equivalent qualifications must upload the Government Order.
Candidates with pending criminal or disciplinary cases must upload supporting documents.
Candidates declaring conviction or acquittal must upload relevant court orders.