TNPSC Group 1 Exam Pattern- Prelims and Mains Exam Pattern

The Tamil Nadu public service commission or TNPSC is a constituent body, and they assist the state government in recruitment, disciplinary actions, and transfers. They conduct the recruit examination to fill up the state administration vacancies. The TNPSC Group 1 Exam Pattern is something that one needs to be clear about, which lets them be aware of the schemes and patterns of the exam.

TNPSC Group 1 Exam Pattern 

The TNPSC Group 1 Exam Pattern is published on the official website. Candidates should thoroughly look at the pattern to prepare well for the examination. The examination is divided into three stages: the prelims, mains, and the interview. All the Tamil Nadu Public Service Commission Group 1 Exam details and the examination date are published on the official website. The candidates have to perform well in all three selection rounds to get selected for the desired state administrative post.

The TNPSC conducts the combined civil service examination. The TNPSC group 1 examination is modelled in the UPSC civil service exam lines. This exam is the common entry point for the group 1 services post. The selected candidates appointed fill various posts in the state administrative services. The posts included are deputy superintendent police, deputy collector, deputy registrar, assistant commissioner, district officer, and assistant director. The candidates interested in the services should understand the TNPSC Group 1 Exam Pattern and prepare according to the syllabus. This article explains everything about the Group 1 Examination and its pattern. The first stage in the Group 1 Examination for the Tamil Nadu state administration is the prelims, a screening examination to shortlist candidates for the mains examination stage. The prelim examination has just one paper with no negative marks.

TNPSC Group 1 Exam Pattern – Prelims

Here is the TNPSC Group 1 Exam Pattern for the prelims.

  • The combined civil service examination includes the group 1 services preliminary examination. It has one paper only, and it tests the candidate over 200 questions.
  • This exam is an MCQ examination, and the total marks for the examination are 300. There are no negative markings in the prelim examination.
  • The qualifying marks for the prelim examination are open category 120 and the other categories 90. The candidates are tested on general studies as per the degree level, which carries 175 marks and aptitude and mental ability as per SSLC standard, which carries 25 questions. This is a 3 hour examination.
Particulars Details
Total Papers1
Exam TypeObjective
Total Questions 200
Total Marks300
Negative MarkingNil
Qualifying Marks For Open Category120
Qualifying Marks For Other Categories90
Number of Questions in General Studies Section175
Number of Questions in Aptitude & Mental Ability Section25

The candidates are judged on the following topics

  1. General Science
  2. Geography
  3. Current Events
  4. Indian Economy
  5. Aptitude and Mental Ability Tests & Logical Reasoning
  6. History and Indian Culture
  7. Indian Polity
  8. Indian National Movement

The TNPSC Group 1 Exam Pattern is very important because the group 1 examination conducted by TNPSC is not easy. Only 1 out of 50 candidates is selected to appear for the mains.

All the questions in the preliminary round are set either in Tamil or English language. This is a qualifying paper only. Candidates must appear for the prelim examination to attempt the mains. The selection is purely based on the aspirants’ performance, and they need to cross the qualifying marks for the main examination.

TNPSC Group 1 Exam Pattern – Mains

The mains examination in the TNPSC Group 1 Exam Pattern is a descriptive type examination that carries 750 marks. The TNPSC Group 1 Exam pattern does not have any optional topics.

Total Papers3
Exam TypeDescriptive
Total Marks750
Total Marks of Each Paper250
Exam Duration of Each Paper3 Hours
Qualifying Marks For Open Category340
Qualifying Marks For Other Categories255

The CCS-1 group-1 service main examination written paper has in total three papers. Each paper carries a total of 250 marks. The questions are of a descriptive type, and the minimum marks for qualifying for the mains are open category 340 and the other category 255. Each paper is for 3 hours.

  • Paper 1 tests the candidates on Indian culture and modern Indian history, Social Issues of Tamil Nadu and India, and General Aptitude and Mental Ability, which is the SSLC Standard
  • Paper 2 tests the candidate on Indian Politics and the Political Trends that are emerging all through the world and in India, the Role and the Technology and Science Impact on the development of India, and the heritage and culture of Tamil society.
  • Paper 3 tests candidates on Indian Geography, especially on Tamil Nadu, Disaster Management, Biodiversity and Environment and the Indian Economy, including the Current patterns and the global economic effect on India.

The applicant has to qualify in each stage. 

After this, the candidate has to appear for an interview conducted by the examining board. The interview carries 100 marks, and the candidate has to qualify in each paper to be eligible to sit for the interview.


The interview is conducted for those candidates who clear the main examination. Post this interview; the final merit list is prepared with the names of the selected candidates for the group 1 Tamil Nadu state administrative service post. The marks obtained in the main examination and the interview round are also published.


Are there any negative marks in the TNPSC Group 1 Exam Pattern?

There is no negative marking in the TNPSC group 1 exam pattern.

How should one prepare to clear the TNPSC group 1 exam?

The candidate should begin preparing with the proper study plan and give equal preference to every topic in the section. Online mock tests help to improve the performance and let candidates qualify for the main exam and thus for the administrative posts in the Tamil Nadu state administration.

What are the steps to qualify for the TNPSC group 1 examination?

There are three steps to qualify for the TNPSC group 1 examination. These are the prelims, mains and interview rounds. The prelim is an objective type examination that tests the candidates through MCQ questions. It is a qualifying examination. The mains are a descriptive type examination. Finally, the candidates need to sit for an interview.


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