TNPSC Group IV Course 2026

TNPSC Group 4: Paper Pattern, Eligibility and a Weightage-Based Study Plan

"Group 4" is the everyday name for an exam TNPSC itself calls Combined Civil Services Examination – IV (Group IV Services), and it is the single largest recruitment cycle the Commission runs: one common written paper that fills Village Administrative Officer, Junior Assistant, Typist, Forest Guard, and several other entry-level posts across Tamil Nadu's government departments. Because it is common, the paper does not test any one department's specialised knowledge. It tests SSLC-standard General Studies, a short Aptitude and Mental Ability section, and a large Tamil-language component — the same three parts regardless of which post a candidate ultimately wants. This chapter sets out exactly what that paper contains, in the words of TNPSC's own syllabus document (Code 496): how many questions, how many marks, how long, and whether wrong answers cost anything. It then converts that structure into eligibility rules a candidate must clear before applying, the selection steps that follow the exam, and a time-budget method for turning the marks table into a study plan — rather than dividing revision time evenly across topics that are not, in fact, weighted evenly.

KarmSakha preparation topics covered

• What "Combined Civil Services Examination – IV (Group IV Services)" is, which posts it covers, and why TNPSC runs it as a single common paper
• The three-part paper — Part A General Studies, Part B Aptitude and Mental Ability, Part C Tamil Eligibility-cum-Scoring Test (or General English for differently-abled candidates) — with the official question counts, marks and duration, and a note on TNPSC's own conflicting Part-lettering across its syllabus and Scheme-of-Examination documents
• The marking scheme: marks per question, the documented absence of negative marking, and the minimum-qualifying-marks gate tied to the Tamil/English part
• Unit-by-unit weightage inside Part A, and how the two Tamil Nadu-specific units compare with the generic Indian-history unit in marks
• Educational qualification (SSLC) and age-limit rules, including the Village Administrative Officer exception and the extra technical-certificate requirement for Typist and Steno-Typist posts
• The actual selection process: a single written exam followed by certificate verification, with no interview stage for the great majority of posts
• Turning the marks table into a time budget instead of guessing where to spend revision hours
• What the syllabus document fixes versus what resets with every notification, and exactly where to check it before applying

One Commission, Eleven Posts, One Common Paper

The Tamil Nadu Public Service Commission (TNPSC) is the constitutional body responsible for recruiting staff into the Tamil Nadu government's civil services, functioning under Article 315 of the Constitution of India in the same way the Union Public Service Commission does at the national level. Among the several examinations TNPSC conducts, the one candidates call "Group 4" is officially the Combined Civil Services Examination – IV (Group IV Services), and TNPSC's own syllabus document for it carries the internal code 496 — a code that appears on the syllabus PDF itself and is useful for confirming you are reading the right document among TNPSC's many exam syllabi.

"Group IV Services" is not one job title but a bracket of entry-level, non-gazetted posts recruited together through the same written exam. Depending on the notification, these have included Village Administrative Officer (VAO), Junior Assistant, Junior Executive, Junior Revenue Inspector, Junior Assistant cum Typist, Typist, Steno-Typist (Grade III), Personal Clerk, Assistant, Field Assistant, Forest Guard and Forest Watcher, spread across departments such as Revenue, Registration, Forest, and various secretariat and directorate offices. A candidate applies against specific posts and departments listed in that cycle's notification, and can be considered for more than one post depending on the options exercised at the time of applying.

The reason a single paper can fill such different-sounding posts is that none of them require specialised subject knowledge at the recruitment stage — a Forest Watcher and a Junior Assistant sit the same General Studies, Aptitude and Tamil paper, and whatever post-specific skill a role needs (for instance, a typing or shorthand certificate for Typist and Steno-Typist posts) is checked as a separate eligibility condition, not as a separate exam paper. This is exactly what makes the exam attractive to a very wide pool of SSLC-and-above candidates across Tamil Nadu: one paper, one syllabus, many possible postings.

The Paper: Three Parts, 200 Questions, 300 Marks, No Negative Marking

TNPSC's own syllabus document describes Group IV as "a single paper in SSLC standard" made up of three parts: Part A, General Studies, carrying 75 questions; Part B, Aptitude and Mental Ability, carrying 25 questions; and Part C, the Tamil Eligibility-cum-Scoring Test, carrying 100 questions. Candidates who are differently abled may opt for General English in place of Part C, with the same question count and structure, under the heading "General English (For Differently Abled Candidates only)" in the same official document. Together the three parts add up to exactly 200 objective-type questions, all sat together as one paper rather than as separate papers on separate days.

A note on part names before going further: the syllabus document's A/B/C lettering above is not the only lettering TNPSC itself uses for this exam. TNPSC's separate Scheme of Examination document for Group IV (and the live scheme.html page on tnpsc.gov.in) names the very same three content blocks differently — it calls the Tamil/General English paper "Part-A" (100 questions, 150 marks) and combines General Studies with Aptitude and Mental Ability into a single "Part-B" (100 questions, 150 marks), with no "Part C" at all in that document's scheme. Both official documents agree on the content, the question counts and the total of 200 questions and 300 marks; only the letters attached to each block differ, and a live notification or admit card in a given cycle could follow either convention. Because of this conflict between TNPSC's own documents, this book treats the syllabus document's A/B/C lettering as a consistent shorthand for its own internal cross-references, but refers to the three blocks by name — General Studies, Aptitude and Mental Ability, and Tamil (or General English) — wherever precision matters. If a notification or admit card you see calls the Tamil paper "Part A" rather than General Studies, that document is simply following the Scheme-of-Examination convention instead of the syllabus document's convention; it is not a mistake on that document's part or on this book's.

TNPSC's syllabus document (Code 496) itself states the question counts above but does not state the paper's total marks, duration or per-question marking rule on its own pages. A separate official TNPSC document, the Scheme of Examination for this exam (last revised 27 January 2022, and matching the live scheme.html page on tnpsc.gov.in as of 27 September 2026), does state two of those details directly on its own scheme table: a duration of 3 hours and a total of 300 marks for the single paper. That Scheme document does not, however, spell out a per-question mark value or a negative-marking rule in so many words; this book's figure of 1.5 marks per question is arithmetic (300 marks ÷ 200 questions, applied uniformly since the Scheme document's own Part-A and Part-B each show 100 questions for 150 marks), and the absence of negative marking is corroborated across multiple independent recruitment-portal summaries of recent Group IV notifications, none of which lists a penalty fraction the way TNPSC's own Group I and Group II notifications do. There is no differential weighting between an easy Aptitude question and a harder Polity question inside the objective paper; the difficulty is meant to sit inside the SSLC standard itself, not in unequal marks. A candidate should still re-confirm all of these figures against the next cycle's own notification before relying on them.

That last point is the paper's most important mechanical feature: TNPSC's Group IV objective test does not deduct marks for a wrong answer. This is confirmed consistently across the scheme-of-examination sections of recent Group IV notifications, none of which lists a penalty fraction the way TNPSC's own Group I and Group II notifications do. Because there is no negative marking, an attempted-but-wrong answer scores exactly the same as a question left blank — zero — while a correct answer scores 1.5 regardless of how many other questions were attempted. That single fact changes the arithmetic of exam-day strategy in a way this chapter returns to later.

The reference to "SSLC standard" throughout the official document is a genuine constraint on difficulty, not marketing language: it means every question in General Studies, Aptitude and the Tamil paper is set at the level of the Tamil Nadu State Board's 10th-standard syllabus, even where a topic (say, the Constitution's federal structure, or compound interest) is also taught at higher levels elsewhere. A candidate preparing from a degree-level civics or economics textbook is not wrong to do so, but the ceiling TNPSC itself states for question difficulty is the SSLC syllabus, and over-preparing far beyond it trades study time away from covering the full breadth of topics the syllabus actually lists across all six General Studies units.

The Qualifying-Marks Gate: Why the Tamil/English Part Can Zero Out Your Other Marks

TNPSC's Scheme of Examination document adds a rule that does not appear anywhere in the syllabus document (Code 496), and it is arguably the single most consequential scoring fact in this chapter: a minimum qualifying mark of 90 out of 300, for candidates of all communities, plus a hard gate tied specifically to the Tamil/General English part. In the Scheme document's own words, the answer sheet for the General Studies and Aptitude part "will not be evaluated, if the candidate does not secure minimum qualifying marks [40% – i.e., 60 Marks]" in the Tamil (or General English) part. In plain terms: score below 60 out of that part's 150 marks, and TNPSC does not evaluate the General Studies and Aptitude answers at all — not partially, not at a discount, but not at all — no matter how many of those 100 questions were answered correctly.

This makes the qualifying gate a strategy fact, not just a scoring detail. A candidate confident in General Studies and Aptitude but weak in the Tamil/English part cannot treat that part as the '150 marks to skim through', because clearing 60 of those 150 marks is a precondition for the other 150 marks counting for anything at all. Two candidates who both answer every General Studies and Aptitude question correctly (150 marks there) can still finish with completely different outcomes: one who scores 65 in the Tamil/English part is ranked on a combined 215, while one who scores only 55 there has their General Studies and Aptitude answers set aside entirely, leaving just the 55 marks actually scored in the language part — well short of even the 90-mark overall minimum.

The 90-mark overall minimum applies on top of this gate, to the combined total of both parts once the language-part gate has actually been cleared — it is a second, separate threshold, not an alternative to the 60-mark gate. Both figures come from the Scheme of Examination document's own scheme table (Minimum Qualifying Marks for All Communities: 90) and its accompanying note, not from the syllabus document, so a candidate who has only read the syllabus PDF would never see either requirement stated. Because of this, the time-budget method in the rest of this chapter should be read together with one non-negotiable floor: whatever else a study plan does, it must get the Tamil/English part comfortably past 60 out of 150, not merely attempt it.

Where the Marks Actually Sit: Unit-by-Unit Weightage

TNPSC's syllabus document does not just list topics — it labels each General Studies and Aptitude unit with its own question count, which is the single most useful planning number in the whole document because it converts directly into marks (multiply by 1.5) and into a share of study time. The table below reproduces those official question counts for Part A and Part B exactly as published, with the marks column computed from them.

Two things stand out immediately. First, inside Part A, the two units built around Tamil Nadu itself — Unit V (Indian Economy and Development Administration in Tamil Nadu) and Unit VI (History, Culture, Heritage and Socio-Political Movements of Tamil Nadu) — carry 20 questions each, together accounting for 40 of Part A's 75 questions and 60 of its 112.5 marks. That is more than half of the entire General Studies part sitting in units that are explicitly Tamil-Nadu-scoped rather than generic pan-Indian units. Second, General Science and Geography are the two smallest named units in Part A at 5 questions each, even though "general knowledge" preparation habits built from other all-India exams often over-invest in exactly these two.

Part B splits its 25 questions unevenly too: Aptitude (simplification, percentage, HCF/LCM, ratio and proportion, simple and compound interest, area, volume, and time and work) carries 15 questions, while Reasoning (logical reasoning, puzzles, dice, visual reasoning, alphanumeric reasoning and number series) carries 10. Both are taught in this book's later Aptitude and Mental Ability chapter; this chapter's job is only to record how many marks each contributes so that time can be planned against it, not to teach the methods yet.

Eligibility: Who Can Sit, and for Which Posts