TNPSC Group 1 · 2010 – 2025

The pattern, read in full.

Q: How many TNPSC Group 1 papers does this analysis cover?

This analysis covers 12 TNPSC Group 1 previous year prelims and 2,390 questions, sourced from official TNPSC papers. Each question is tagged by subject and sub-topic, then aggregated to compute weightage and trend lines you can see on this page.

Q: Which subjects carry the highest weightage in TNPSC Group 1?

The weightage chart above ranks every subject by how many marks it contributed across all analysed papers. The top 5 subjects typically account for 70–80% of the paper. Focus your preparation here first, these subjects repeat year after year and reward depth over breadth.

Q: How recent is this paper analysis?

We re-run the analysis after every new TNPSC paper is conducted. Trend charts use the last 5 years of papers so you see how the syllabus is shifting, not just a static snapshot. The page rebuilds automatically when new papers are added to the question bank.

Q: Can I see sub-topic breakdowns and sample questions?

Yes. Click any paper card in the "Paper by paper" section to drill into the full sub-topic breakdown, sample questions, and an AI-generated revision sheet for that specific prelim.

We ran every previous-year prelim through our analyser: 12 papers, 2,390 questions, 12 subjects. Here is where the marks actually live, and how the syllabus has quietly shifted under aspirants' feet.

The headline

69%

of every TNPSC Group 1 prelim comes from just 5 subjects: Aptitude, Science, History, Polity, TN History. The other 7, combined, make up the rest.

Papers analysed

Questions parsed

2,390

Subjects covered

Years tracked

16 yrs

Where the marks actually live

Subjects grouped into tiers, what is worth your next study hour.

Tier 1, High priority

4 subjects · 1410 Qs · 59% · ≥ 12% of questions

Aptitude & Mental Ability

400·17%

Science & Technology

376·16%

Indian History & Culture

321·13%

Indian Polity & Constitution

313·13%

Tier 2, Medium priority

4 subjects · 851 Qs · 36% · 6 – 11% of questions

Tamil Nadu History & Administration

245·10%

Current Affairs

233·10%

Indian Economy

218·9%

Geography & Environment

155·6%

Tier 3, Lower weightage

1 subjects · 84 Qs · 4% · 2 – 5% of questions

General Tamil (Pothu Tamil)

84·4%

Tier 4, Negligible

3 subjects · 45 Qs · 2% · < 2% of questions

General English

30·1%

Indian Geography & Environment

8·0%

General Knowledge

7·0%

The shifting pattern

Subject share (% of paper) across every previous-year prelim.

Three things worth knowing

What the data says before you crack open another textbook.

01, Focus

Five subjects carry 69% of every paper.

Aptitude, Science, History, Polity, TN History together account for 69% of all classified questions. Master these and the rest is upside.

02, Shift

Science has fallen sharply.

Share moved from ~25% in the earliest paper to ~6% in the latest, a -19pt swing. Don’t over-invest.

03, Volatility

Polity spiked in 2025.

From a steady ~12% baseline, Polity jumped to 22% in 2025. Treat as a wildcard, revise the fundamentals, not just trends.

Paper by paper

Click any prelim to see its full sub-topic breakdown, sample questions and an AI-generated revision sheet.

Group 1 Prelims 2010 May

200 questions

Science50

TN History26

Current Affairs24

Group 1 Prelims 2011 June

200 questions

Science55

TN History27

History24

Group 1 Prelims 2013 February

200 questions

Aptitude43

Science42

Polity24

Group 1 Prelims 2014 July

200 questions

Aptitude45

Science38

History30

Group 1 Prelims 2015 November

200 questions

Aptitude43

Science35

Current Affairs30

Group 1 Prelims 2017 February

200 questions

Aptitude49

Science37

Current Affairs37

Group 1 Prelims 2019 March

200 questions

Aptitude49

Science34

History31

Group 1 Prelims 2021 January

200 questions

TN History36

Aptitude28

Polity27

Group 1 Prelims 2022 November

199 questions

TN History34

Aptitude28

History26

Group 1 Prelims 2024 July

199 questions

TN History29

History28

Polity27

Group 1 Prelims 2025 June

193 questions

Polity43

TN History37

Aptitude25

Group 1b And 1c Prelims 2024 July

199 questions

Aptitude31

TN History30

Polity30

Frequently asked questions

How many TNPSC Group 1 papers does this analysis cover?

This analysis covers 12 TNPSC Group 1 previous year prelims and 2,390 questions, sourced from official TNPSC papers. Each question is tagged by subject and sub-topic, then aggregated to compute weightage and trend lines you can see on this page.

Which subjects carry the highest weightage in TNPSC Group 1?

The weightage chart above ranks every subject by how many marks it contributed across all analysed papers. The top 5 subjects typically account for 70–80% of the paper. Focus your preparation here first, these subjects repeat year after year and reward depth over breadth.

How recent is this paper analysis?

We re-run the analysis after every new TNPSC paper is conducted. Trend charts use the last 5 years of papers so you see how the syllabus is shifting, not just a static snapshot. The page rebuilds automatically when new papers are added to the question bank.

Can I see sub-topic breakdowns and sample questions?

Yes. Click any paper card in the "Paper by paper" section to drill into the full sub-topic breakdown, sample questions, and an AI-generated revision sheet for that specific prelim.

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