One application, one graduation degree, and a shot at posts from Assistant Audit Officer down to Tax Assistant. Here is how the posts are grouped by pay level, what each age band is, and exactly how Tier 1 and Tier 2 are scored — including the negative marking that catches most candidates.
Quick snapshot
- SSC CGL fills Group B and Group C posts across central ministries, departments and constitutional and statutory bodies, grouped by pay level 8, 7, 6, 5 and 4.
- Basic eligibility is a Bachelor's degree for almost every post; final-year students may apply but must hold the qualification by the cut-off date in the notice.
- Age bands run by post: 18–27, 18–30, 20–30 and 18–32 years. Junior Statistical Officer is the 18–32 post.
- Tier 1: four sections of 25 questions and 50 marks each — 200 marks in 1 hour, with a sectional timer and negative marking of 0.50 per wrong answer.
- Tier 2 Paper 1: four sections, Session I of 2 hours 15 minutes plus a 15-minute Session II for the typing test. Negative marking of 1 full mark in Sections I, II and III.
- Paper 2 (Statistics) is only for JSO and Statistical Investigator Grade-II; Paper 3 (General Studies – Finance and Economics) only for AAO and AAcO.
- Marks are normalised across shifts, and the final merit list is based on Tier 2 only.
SSC CGL is a two-tier computer-based examination for Group B and Group C central government posts, open to any graduate. Tier 1 has four sections — General Intelligence and Reasoning, General Awareness, Quantitative Aptitude and English Comprehension — of 25 questions and 50 marks each, for 200 marks in one hour, with a sectional timer of 15 minutes per subject and a deduction of 0.50 marks for each wrong answer.
Tier 2 Paper 1 is compulsory for all posts and carries four sections: Mathematical Abilities and Reasoning (60 questions, 180 marks), English Language and General Awareness (70 questions, 210 marks), a Computer Knowledge Test (20 questions, 60 marks) and a Data Entry Speed Test. Negative marking in Paper 1 is 1 mark per wrong answer in Sections I, II and III. Paper 2 (Statistics, 200 marks) applies to JSO and Statistical Investigator Grade-II; Paper 3 (General Studies – Finance and Economics, 200 marks) applies to Assistant Audit Officer and Assistant Accounts Officer. The merit list is prepared on Tier 2 performance alone.
1. What posts SSC CGL actually recruits for
CGL is not one job. The Commission groups the posts by pay level, and the pay level tells you more about the post than the designation does. Here is the structure as set out in the Commission's notice:
| Pay level | Representative posts | Group | Age limit |
|---|---|---|---|
| Level 8 ₹47,600–1,51,100 | Assistant Audit Officer (Central and State Cadre), Assistant Accounts Officer (State Cadre) — Indian Audit and Accounts Department under the C&AG | Group B Gazetted (Non-Ministerial) | 18–30 years |
| Level 7 ₹44,900–1,42,400 | Assistant Section Officer (CSS, Intelligence Bureau, Railways, MEA, AFHQ, MeitY), Inspector of Income Tax (CBDT), Inspector (Central Excise / Preventive Officer / Examiner) in CBIC, Assistant Enforcement Officer (ED), Sub Inspector (CBI), Inspector Posts, Inspector (Central Bureau of Narcotics) | Group B | 18–30 or 20–30 years, by post |
| Level 6 ₹35,400–1,12,400 | Assistant / Assistant Section Officer, Executive Assistant (CBIC), Research Assistant (NHRC), Divisional Accountant (C&AG), Sub Inspector (NIA), Sub-Inspector / Junior Intelligence Officer (NCB), Junior Statistical Officer, Statistical Investigator Grade-II, Office Superintendent (CBDT), Section Head (DGFT) | Group B | 18–30 years; JSO 18–32 years |
| Level 5 ₹29,200–92,300 | Auditor (C&AG, CGDA, other ministries), Accountant / Junior Accountant | Group C | 18–27 years |
| Level 4 ₹25,500–81,100 | Postal Assistant / Sorting Assistant, Senior Secretariat Assistant / Upper Division Clerk, Senior Administrative Assistant (Military Engineering Services), Tax Assistant (CBDT and CBIC), Sub-Inspector (CBN) | Group C | 18–27 years |
Two things follow from this table that candidates routinely miss.
First, your age decides your post list before your marks do. If you are 29, the Level 5 and Level 4 posts with an 18–27 band are already closed to you no matter how high you score. Work out your eligible post list against the crucial date in the notice before you plan your preferences.
Second, the Commission allots posts on merit plus the preferences you submit online, and once a post is allotted there is no change on the ground of failing a post-specific physical, medical or educational requirement. A candidate who gives a high preference to Inspector (Preventive Officer) and then fails the physical standards loses that allotment — and the candidature may not be considered for any other post or department. Preferences are a decision, not a wish list.
2. Eligibility: the general rule and the four exceptions
The general rule is simple: a Bachelor's degree from a recognised University or equivalent. Candidates in the final year of graduation may apply, but they must possess the essential qualification as on the cut-off date stated in the notice.
Then there are the post-specific requirements, and these are where applications get rejected:
| Post | Essential qualification |
|---|---|
| Assistant Audit Officer (Central Cadre) | Bachelor's degree from a recognised University or Institute. Desirable: CA, CMA, CS, M.Com, Masters in Business Studies, MBA (Finance) or Masters in Business Economics. Direct recruits must qualify the Subordinate Audit / Accounts Service Examination during probation for confirmation |
| Assistant Audit Officer / Assistant Accounts Officer (State Cadre) | Bachelor's degree, plus proficiency in the regional or official language of the State at matriculation level, evidenced by a certificate of proficiency in that language at Secondary School Examination level from a recognised board |
| Junior Statistical Officer | Bachelor's degree in any subject with at least 60% marks in Mathematics at 12th standard level; or Bachelor's degree in any subject with Statistics as one of the subjects at degree level |
| Statistical Investigator Grade-II | Bachelor's degree in Statistics, Mathematics, Economics, Demography, Population Studies, Operation Research, Information Technology, Computer Science, Computer Engineering, Computer Technology, Computer Application, Data Science or Artificial Intelligence from a recognised University or Institute |
| All other posts | Bachelor's degree from a recognised University or equivalent |
The two traps in this table
JSO is an "either / or", not an "and". You qualify either through 60% in Mathematics in Class 12 or through Statistics as a degree-level subject. Many eligible candidates skip JSO believing they need both.
Statistical Investigator Grade-II now has a wide subject list that includes Computer Science, IT, Data Science and Artificial Intelligence alongside Statistics and Mathematics. If you hold a BCA, B.Sc. Computer Science or a data-science degree, check this post against the current notice rather than assuming it is only for statistics graduates. The list has been expanded, so read the version in your own cycle's notice.
On distance education: degrees awarded through Open and Distance Learning mode by universities established by an Act of Parliament or a State Legislature, deemed universities and Institutions of National Importance stand recognised for central government employment, provided they were approved by the Distance Education Bureau of the UGC for the relevant period in which you acquired the qualification. That proviso is the one that trips people up.
The application fee for CGL is ₹100. Women candidates and candidates belonging to Scheduled Castes, Scheduled Tribes, Persons with Benchmark Disabilities and Ex-servicemen eligible for reservation are exempted from the fee.
3. Tier 1: 200 marks in one hour, with a sectional timer
| Section | Questions | Marks | Time |
|---|---|---|---|
| A. General Intelligence and Reasoning | 25 | 50 | 1 hour total, with a sectional timer of 15 minutes for each subject |
| B. General Awareness | 25 | 50 | |
| C. Quantitative Aptitude | 25 | 50 | |
| D. English Comprehension | 25 | 50 | |
| Total | 100 | 200 |
Three operational facts about Tier 1:
- It is objective multiple choice, set in both English and Hindi except for English Comprehension.
- Negative marking is 0.50 marks for each wrong answer. At 2 marks a question, that is a quarter of a question's value lost per error.
- The sectional timer is the real constraint. Fifteen minutes per subject, and once a section's timer runs out it closes. You cannot bank saved time from Reasoning and spend it on Quantitative Aptitude. Every practice test you take should be run with sectional timing, or you are practising the wrong exam.
Note also that questions in General Intelligence and Reasoning, General Awareness and English Comprehension are pitched at a level commensurate with graduation, while Quantitative Aptitude in Tier 1 is pitched at 10th standard level. That is not a reason to relax — it is a reason to be fast and accurate rather than clever.
4. Tier 2: where the selection is actually decided
Tier 2 is conducted for all candidates who qualify Tier 1. Paper 1 is compulsory for every post. Paper 2 and Paper 3 are post-specific. Papers 1, 2 and 3 are held in separate shifts or on separate days.
| Paper | Section / subject | Questions | Marks | Time |
|---|---|---|---|---|
| Paper 1 (compulsory) Session I: 2 hours 15 minutes | Section I — A: Mathematical Abilities (30) + B: Reasoning and General Intelligence (30) | 60 | 180 | 1 hour, sectional timer 30 minutes per subject |
| Section II — A: English Language and Comprehension (45) + B: General Awareness (25) | 70 | 210 | 1 hour, sectional timer 40 minutes for English and 20 minutes for General Awareness | |
| Section III — Computer Knowledge Test | 20 | 60 | 15 minutes | |
| Section IV (Session II) — Data Entry Speed Test | One data entry task | — | 15 minutes | |
| Paper 2 JSO and Statistical Investigator Grade-II only | Statistics | 100 | 200 | 2 hours |
| Paper 3 AAO and AAcO only | General Studies (Finance and Economics) | 100 | 200 | 2 hours |
How Paper 1 runs on the day: Session I covers Sections I, II and III back to back. Section I closes automatically after one hour; Section II starts immediately and closes after one hour; the Computer Knowledge Test runs for 15 minutes and Session I ends. You then get a break to re-register, and Session II is the 15-minute Data Entry Speed Test. It is mandatory to qualify every section of Paper 1 separately.
Negative marking in Tier 2 is heavier
This is the number most candidates get wrong. In Tier 2 Paper 1, the deduction is 1 full mark for each wrong answer in Sections I, II and III. In Paper 2 and Paper 3 the deduction is 0.50 marks per wrong answer. Since each question in Paper 1 carries 3 marks, a wrong answer costs you a third of a question's value; the arithmetic of guessing is materially worse than in Tier 1.
5. Computer Knowledge Test and the Data Entry Speed Test
Both the Computer Knowledge Test (Section III) and the Data Entry Speed Test (Section IV) are mandatory for all posts but qualifying in nature — their marks do not add to your merit score, but failing them removes you.
Computer Knowledge Test
- 20 questions, 60 marks, 15 minutes
- Qualifying for all posts
- A separate higher cut-off is fixed for posts where computer proficiency is prescribed — ASO in CSS, MEA and AFHQ, Assistant in SFIO, Assistant (GSI) in the Ministry of Mines, Assistant in the India Meteorological Department, Inspector (CGST and Central Excise), Inspector (Preventive Officer), Inspector (Examiner) and Executive Assistant in CBIC, and Postal Assistant / Sorting Assistant
Data Entry Speed Test (DEST)
- A passage of about 2,000 key depressions in 15 minutes
- Mandatory for all posts, qualifying in nature
- Higher standards apply for Tax Assistant in CBIC, Tax Assistant in CBDT and UDC / SSA in the Central Bureau of Narcotics, and for all the computer-proficiency posts listed alongside
- Candidates exempted from DEST do not appear in Section IV
Two thousand key depressions in fifteen minutes is not a severe standard for anyone who types regularly, but it is a real standard for candidates who have only ever used a phone keyboard. If you are aiming at Tax Assistant or a Postal Assistant post, the higher DEST cut-off is a specific thing to train for, not an afterthought.
6. Normalisation, merit and document verification
- Normalisation. Where the computer-based examination is conducted in multiple shifts, marks are normalised using the procedure the Commission has published by notice, and the normalised scores are what determine final merit and cut-offs. You are not competing only against your own shift.
- Answer keys. Tentative answer keys are published after the examination. You may file online representations within the stipulated window on payment of ₹100 per question, which is non-refundable. Final answer keys are used to process the result. There is no re-evaluation or re-checking of scores at any stage.
- The merit list is based on Tier 2 only. Tier 1 is a screening stage. Your Tier 1 score gets you into Tier 2 and then stops counting.
- Preferences. Post and department preferences are taken through an online option form before the result. If you do not submit preferences in time, you are not considered for any post, and there is no second opportunity.
- Document verification. Carry two passport-size photographs and an original photo ID, plus copies of your matriculation certificate, educational qualification certificate, caste or category certificate where claimed, disability certificate where applicable, ex-servicemen documents, any age-relaxation certificate and a No Objection Certificate if you are already in government service. Candidature remains provisional until these are verified.
- Physical and medical standards. For the posts that carry them — Inspector and Sub-Inspector grades in CBIC, CBN, NCB, CBI and NIA, and posts in the Border Roads Organisation — physical measurement and medical tests are conducted by the user department after final selection, not by SSC.
7. Preparation, section by section
Quantitative Aptitude and Mathematical Abilities
Arithmetic first: percentages, ratio, averages, interest, profit and loss, time and work, time and distance, mixtures. Then algebra, geometry, mensuration and trigonometry. Tier 1 is at 10th standard level; Tier 2 is at graduation level and three marks a question, so build accuracy before speed.
Reasoning and General Intelligence
The highest-return section per hour invested, because the question types repeat. Series, analogy, classification, coding-decoding, syllogism, seating arrangement, non-verbal reasoning. Drill one type at a time until it is automatic, then mix.
English Language and Comprehension
45 questions and 210 marks' worth of Section II in Tier 2 rests largely here. Error spotting, fill in the blanks, synonyms and antonyms, idioms, sentence improvement, cloze test and comprehension. Vocabulary built from reading beats vocabulary built from lists.
General Awareness
Per the Commission's syllabus, it tests awareness of the environment around you and its application to society, including India and its neighbouring countries, with questions on history, culture, geography, the economic scene, general policy and scientific research. Static general knowledge carries more weight here than daily headlines.
Computer Knowledge and typing
Both are qualifying, both are easy to pass and both are easy to fail through neglect. Fifteen minutes a day on typing practice and a basic computer fundamentals syllabus is enough — unless you are targeting a higher-standard post.
Paper 2 or Paper 3, if applicable
If you are eligible for JSO or Statistical Investigator Grade-II, Paper 2 Statistics is a separate 200-mark syllabus. If you are targeting AAO or AAcO, Paper 3 General Studies (Finance and Economics) is a separate 200-mark syllabus. Decide early, because these cannot be prepared in the gap between Tier 1 and Tier 2.
One structural point on strategy: because the final merit rests on Tier 2 alone, the correct way to prepare is to the Tier 2 standard from day one. Tier 1 then takes care of itself. Candidates who prepare to the Tier 1 standard, clear it, and only then start on Tier 2 are the ones who run out of time.
Frequently asked questions
What is the eligibility for SSC CGL?
A Bachelor's degree from a recognised University or equivalent for almost all posts. Candidates in the final year of graduation may apply but must hold the qualification by the cut-off date stated in the notice. Post-specific exceptions apply: Junior Statistical Officer needs either 60% in Mathematics at 12th standard level or Statistics as a degree-level subject; Statistical Investigator Grade-II needs a degree in one of a listed set of subjects; and the State Cadre audit and accounts posts additionally need proficiency in the State language at matriculation level.
What is the age limit for SSC CGL posts?
It varies by post. The notice groups posts into 18 to 27 years, 18 to 30 years, 20 to 30 years and 18 to 32 years. Junior Statistical Officer carries the 18 to 32 band. Level 5 and Level 4 posts such as Auditor, Accountant, Tax Assistant and Upper Division Clerk carry the 18 to 27 band. Age is reckoned as on the crucial date in the notice, which is also converted into date of birth windows there, so read your own cycle's notice.
What is the SSC CGL Tier 1 exam pattern?
Four sections of 25 questions and 50 marks each: General Intelligence and Reasoning, General Awareness, Quantitative Aptitude and English Comprehension. That is 100 questions for 200 marks in one hour, with a sectional timer of 15 minutes for each subject. It is objective multiple choice, set in English and Hindi except for English Comprehension, and there is a deduction of 0.50 marks for each wrong answer.
How much is the negative marking in SSC CGL Tier 2?
Heavier than Tier 1. In Tier 2 Paper 1, one full mark is deducted for each wrong answer in Section I, Section II and Section III. In Paper 2 and Paper 3, the deduction is 0.50 marks per wrong answer. Since each Paper 1 question carries 3 marks, a wrong answer costs a third of the value of a correct one, so blind guessing is clearly loss-making.
Who has to appear for Paper 2 and Paper 3 in Tier 2?
Paper 2 (Statistics, 100 questions for 200 marks) is only for candidates who applied and were shortlisted for Junior Statistical Officer in the Ministry of Statistics and Programme Implementation and Statistical Investigator Grade-II in the office of the Registrar General and Census Commissioner of India. Paper 3 (General Studies, Finance and Economics, 100 questions for 200 marks) is only for candidates shortlisted for Assistant Audit Officer and Assistant Accounts Officer. Paper 1 is compulsory for everyone.
Is the typing test in SSC CGL compulsory?
Yes. The Data Entry Speed Test in Section IV of Paper 1 is mandatory for all posts, although it is qualifying in nature rather than merit-scoring. It is a passage of about 2,000 key depressions in 15 minutes. Higher qualifying standards are set for Tax Assistant in CBIC and CBDT, UDC and SSA in the Central Bureau of Narcotics, and the posts where computer proficiency is prescribed. Candidates specifically exempted from DEST do not appear in that section.
What is normalisation in SSC CGL?
When a computer-based examination is held in multiple shifts, different shifts can get papers of slightly different difficulty. The Commission therefore normalises the marks using a published procedure, and those normalised scores are what determine the final merit and the cut-off. It means you are not judged purely against your own shift, and that an easy or hard shift is adjusted for rather than being luck.
Does my Tier 1 score count in the final SSC CGL merit list?
No. The merit list is prepared on the basis of overall performance in Tier 2 only. Tier 1 is purely a screening stage that decides who sits Tier 2. It is also mandatory to qualify every section of Tier 2 Paper 1 separately. The practical consequence is that you should prepare to the Tier 2 standard from the start, because Tier 1 is then comfortably covered.
Sources: Staff Selection Commission — Notice, Combined Graduate Level Examination, 2026 (posts, age limits, qualifications, scheme of examination, fee, normalisation, document verification); SSC — Combined Graduate Level Examination, Scheme of the Examination; ssc.gov.in — official website and notice board; SSC — tentative examination calendar.
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