TNPSC Group 1 Exam Pattern and Syllabus 2020

TNPSC Group 1 Exam Pattern and Syllabus 2020 – Tamil Nadu Public Service Commission (TNPSC) releases the exam pattern and syllabus of TNPSC along with the notification. Candidates who are preparing for the exam can check the TNPSC Group 1 exam pattern and syllabus 2020 for all the stages – Prelims, Mains & Interview. TNPSC Group 1 exam pattern & syllabus include different sections, subjects, and topics from where the questions will be asked in the exam, marking scheme and duration of the exam. 

Through TNPSC Group 1 exam pattern and syllabus candidates will get an idea about the overall question paper and topics that are asked in the examination. Candidates must go through the TNPSC Group 1 exam pattern & syllabus 2020 before starting their preparation.

All the finally selected candidates in TNPSC Group 1 are recruited for various different posts/services. For the complete details about the TNPSC Group 1 exam pattern and syllabus, read the article below.

TNPSC Group 1 Exam Pattern 2020

TNPSC Group 1 exam will be conducted in three successive stages namely:

  1. Preliminary Examination
  2. Mains Examination
  3. Interview

The following exam pattern is common for all Group 1 services in the Tamil Nadu state administration.

The different posts for which recruitment is done via the TNPSC Group I exam include Deputy Collector, Deputy Superintendent of Police, Assistant Commissioner, District Officer, etc.

The first stage of the TNPSC Group 1 exam is the Prelims. It is only a screening test before the Main stage of the exam.

TNPSC Group 1 Prelims Exam consists of only one paper and no negative marking.

TNPSC Group 1 Prelims

The Prelims Exam Pattern is given below:

Name of Exam

Combined Civil Services – I (Group -1 Services Preliminary Examination)

Number of Papers


Number of Questions


Total Marks


Nature of Questions

Objective Type (MCQs)

Negative Marking



  • General Studies – 150 questions

(Degree Standard)

  • Aptitude & Mental Ability – 50 questions

(SSLC Standard)

Minimum Qualifying Marks

  • OC: 120
  • Other than Open Category: 90


3 hours

Out of the candidates who give the Prelims exam, the TNPSC selects the candidates in the approximate ratio of 1:50 for the Mains stage

TNPSC Group 1 Mains

As per the TNPSC Group 1 Exam Pattern for Mains, there are three descriptive-type papers for a total of 750 marks. There are no optional subjects in the TNPSC Group 1 exam.

The Mains Exam Pattern is given below.

Name of Exam

Combined Civil Services – I

Group -1 Services Main Written Examination

Number of Papers


Total Marks

  • Paper 1 – 250
  • Paper 2 – 250
  • Paper 3 – 250

Total: 750 + Interview (100 marks) = 850

Nature of Questions


Minimum Qualifying Marks

  • OC: 340
  • Other than Open Category: 255


3 hours for each paper

An Oral Test/Interview for 100 marks is conducted by a TNPSC board to assess the candidate’s suitability to a career in administration.

TNPSC Group 1 Syllabus 2020 – Prelims

The Preliminary stage of the TNPSC Group 1 Exam comprises one objective type paper. The Prelims is only the screening stage and the marks are not counted in the final merit list. The TNPSC Group 1 Syllabus for Prelims Exam 2020 is given below:

Unit I

General Science

  • Physics
  • Chemistry
  • Botany
  • Zoology

Unit II

Current Events

  • History
  • Political Science
  • Geography
  • Economics
  • Science

Unit III


Unit IV

History and Culture of India

Unit V

Indian Polity

Unit VI

Indian Economy

Unit VII

Indian National Movement


Aptitude and Mental Ability Tests
Logical Reasoning

TNPSC Group 1 Syllabus 2020 - Mains

The Mains Exam comprises three descriptive papers and each paper can be subdivided into three units covering broad subject areas. There are no optional papers/subjects in the TNPSC Group 1 exam.

The new TNPSC Group 1 Syllabus for Mains is given below:

  1. Paper 1 – General Studies
    1. Unit I – Modern History of India and Indian Culture
    2. Unit II – Social Issues in India and Tamil Nadu
    3. Unit III – General Aptitude and Mental Ability
  2. Paper 2 – General Studies
    1. Unit I – Indian Polity and Emerging Political Trends across the world affecting India
    2. Unit II – Role and impact of Science and Technology in the Development of India
    3. Unit III – Tamil Society (Culture and Heritage)
  3. Paper 3 – General Studies
    1. Unit I – Geography of India with special reference to Tamil Nadu
    2. Unit II – Environment, Biodiversity and Disaster Management
    3. Unit III – Indian Economy and Current Economic Trends and impact of Global Economy on India

    Talk to us for

    UPSC preparation support!


Do you want to become an IAS officer like Saumya Sharma?
Study Online at  Neostencil Logo

Your Exam segments is being saved. Please wait....

Select Exam(s) you are interested in

please enter valid OTP