TNPSC Group 1 Syllabus 2025: The Tamil Nadu Public Service Commission (TNPSC) has released the detailed syllabus for the post of Group 1. The official syllabus for the Group 1 Exam 2025 is available on the official website. In this article, we’ll cover the TNPSC Group 1 exam pattern, detailed syllabus & preparation tips.

Overview :

The Tamil Nadu Public Service Commission (TNPSC) has released the detailed syllabus for the TNPSC Group 1 Exam 2026. Candidates preparing for the TNPSC Group 1 recruitment can download the official syllabus PDF, exam pattern, and marking scheme from this page. This comprehensive guide covers subject-wise topics, preparation strategy, and important books for the TNPSC Group 1 exam.

Exam Name	TNPSC Group 1 Exam 2026
Conducting Body	Tamil Nadu Public Service Commission (TNPSC)
Post Name	Group 1 Services
Exam Mode	Offline (Pen & Paper)
Exam Type	Prelims: Objective (MCQ) | Mains: Descriptive
Total Questions	Prelims: 200
Total Marks	Prelims: 300 | Mains: 750 | Interview: 100
Exam Duration	Prelims: 3 Hours | Mains: 3 Hours per paper
Negative Marking	No negative marking in Prelims
Selection Process	Preliminary Exam + Mains Exam + Interview
Exam Language	English & Tamil
Official Website	tnpsc.gov.in

Download Syllabus PDF :

Click Here to Download TNPSC Group 1 Syllabus PDF 2026

Exam Pattern :

Key Highlights of Exam Pattern:

Preliminary Exam (Objective Type – Single Paper)

Subject/Section	No. of Questions	Marks	Duration
General Studies (Degree Standard)	175	262.5	3 Hours
Aptitude & Mental Ability (SSLC Standard)	25	37.5	–
Total	200	300	3 Hours

Mains Exam (Descriptive Type)

Subject/Section	Marks	Duration
Paper I: Tamil Eligibility Test (SSLC Standard)	100 (Qualifying)	3 Hours
General Studies Paper II	250	3 Hours
General Studies Paper III	250	3 Hours
General Studies Paper IV	250	3 Hours
Total (Mains)	750	–

Important Points:

• Each correct answer in Prelims carries 1.5 marks.
• No negative marking in Prelims.
• Tamil Eligibility Test is qualifying in nature (minimum 40 marks required).
• Question papers available in English & Tamil (except Tamil Eligibility Test)

Selection Process :

• Preliminary Exam + Mains Exam + Interview

Subject Wise Syllabus :

TNPSC Group 1 Prelims Syllabus

Part A: General Studies (Degree Standard)

• General Science (Physics, Chemistry, Biology)
• Geography of India with special reference to Tamil Nadu
• History, Culture of India, and Indian National Movement
• Indian Polity
• Indian Economy & Development Administration in Tamil Nadu
• Current Events (National & International)
• Environment, Bio-Diversity & Disaster Management
• Tamil Society, Culture & Heritage

Part B: Aptitude & Mental Ability (SSLC Standard)

• Number System, Simplification, HCF & LCM
• Ratio & Proportion, Percentage, Average
• Time & Work, Time & Distance
• Data Interpretation (Tables, Graphs)
• Logical Reasoning, Puzzles, Coding-Decoding
• Visual Reasoning, Alphanumeric Reasoning

TNPSC Group 1 Mains Syllabus

The Mains consists of three General Studies papers (descriptive) covering:

• Modern History of India & Indian Culture
• Social Issues in India & Tamil Nadu
• General Aptitude & Mental Ability
• Indian Polity & Emerging Political Trends
• Role of Science & Technology
• Tamil Society, Culture & Heritage
• Administration & Governance
• Ethics & Integrity

Important Topics for Exam :

• Current Affairs (Last 1-2 years, with focus on Tamil Nadu)
• Tamil Nadu History & Culture
• Indian Polity & Constitution
• Economic Development & Planning in Tamil Nadu
• Aptitude & Mental Ability (Scoring section)
• Environment & Biodiversity

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