TNPSC Group 1 Exam Pattern, Syllabus & Practice Tests

TNPSC Group 1 Examination Anatomy & Key Highlights

The TNPSC Group 1 is the highest competitive administrative examination conducted by the State Public Service Commission to recruit Deputy Collectors (SDM), Deputy Superintendents of Police (DSP), Commercial Tax Officers, and Class-I/II Administrative Gazetted Officers.

Conducting Body State Public Service Commission

Exam Frequency Annual / State Calendar Notification

Total Questions & Marks Paper-I: 100–150 Qs • Paper-II (CSAT): 80–100 Qs

Exam Duration 120 Minutes per Paper (2 Hours)

Marking Scheme +2.00 / +1.33 Marks • 1/3rd Negative Marking

Cutoff / Standards Merit on GS Paper-I (CSAT Qualifying at 33%)

Score Validity Selection Year Final Merit Panel

Attempt Limit General: State Defined / Unlimited within Age (21–37/40 yrs)

Official Eligibility Criteria & State Domicile Norms

To appear in TNPSC Group 1, candidates must fulfill the statutory criteria laid down in the State Civil Service Rules:

Educational Qualification

Essential Academic Requirements

Must hold a Graduate Degree in any discipline from a recognized Central or State University, or an equivalent qualification.
Final year degree candidates can apply for Preliminary Examination, provided they produce proof of passing before the Mains Examination.
No minimum percentage requirement in Graduation; simple pass is eligible.

Age Limits & Domicile

Age Span & Reservations

General / Open Category: Minimum 21 Years • Maximum 37 to 40 Years (varies by state).
State Reserved Categories (SC / ST / OBC / EWS / Women): 3 to 5 Years upper age concession.
Open to all Indian citizens (Candidates from other states are treated under General/UR category).

Important: Physical Standards: Posts like Deputy Superintendent of Police (DSP) and Jail Superintendent require minimum physical height and chest expansion measurements.

TNPSC Group 1 Paper Structure & Marks Distribution

Section-by-section breakdown of total questions, maximum marks, and time duration verified against the official TNPSC Group 1 scheme.

Preliminary Examination (Stage-I)

Subject / Section	Questions	Marks	Duration
Paper-I: General Studies & Tamil Nadu Affairs	100 MCQs	200 Marks	120 Minutes
Paper-II: CSAT Aptitude & Comprehension	80 MCQs	200 Marks	120 Minutes
Total (Preliminary Examination (Stage-I))	180 Questions	400 Marks	240 Minutes

Strategic Preparation Plan for TNPSC Group 1

Cracking State Civil Services requires balancing foundational General Studies with deep state-specific regional heritage:

Master Core NCERTs & Standard Reference Books

Build your foundation with NCERTs (Classes 6-12), Laxmikanth for Indian Polity, Spectrum for Modern History, Ramesh Singh for Economy, and GC Leong for Geography.

Deep Focus on State History, Geography, Economy & Schemes

State-specific questions carry 25% to 40% of the total Prelims score. Thoroughly study state budget, economic survey, tribal culture, and state welfare initiatives.

Practice CSAT Aptitude & Passage Comprehension

Do not overlook CSAT Paper-II. Solve previous years reasoning and basic numeracy questions to comfortably clear the 33% qualifying threshold.

Simulated Prelims Mock Series on TargetExams

Attempt simulated timed mock tests on TargetExams to master negative marking elimination techniques and time allocation.

Frequently Asked Questions on TNPSC Group 1

What is the selection process for TNPSC Group 1?

The selection process generally comprises a Computer Based Written Examination followed by Skill Test / Physical Test / Document Verification and Medical Examination.

Is there negative marking in the written test?

Yes, negative marking of 1/3rd or 1/4th is applicable for wrong answers as per the official examination scheme.

Can candidates from other states apply?

Yes, Indian citizens from all states are eligible to apply under the Open / Unreserved category, subject to fulfilling state language and eligibility norms.

How can I practice mock tests on TargetExams?

You can access all chapter-wise, subject-wise, and full-length mock tests directly on TargetExams with instant solutions, explanations, and performance tracking.