The Paper, the Ladder and the Physical Stage
This chapter covers the paper, the ladder and the physical stage. Map the Constable (GD) selection ladder end to end.
KarmSakha preparation topics covered
- Understand and apply: The Selection Ladder: From CBE to Document Verification
- Understand and apply: CBE Paper Structure: Sections, Marks and Medium
- Understand and apply: Scoring, Negative Marking and the 60-Minute Attempt-Order Plan
- Understand and apply: Physical Standards Test (PST): What Is Measured
- Understand and apply: PET and an 8-Week Running Progression
The Selection Ladder: From CBE to Document Verification
The SSC Constable (GD) selection is best understood as a ladder, not a single examination. A candidate has to climb six rungs in a fixed order: the Computer-Based Examination (CBE), the Physical Standards Test (PST), the Physical Efficiency Test (PET), the Detailed Medical Examination (DME), the Review Medical Examination, and finally Document Verification. The CBE is the only written and scored stage. The stages that follow do not carry marks; they test whether you meet the physical, medical and documentary standards for the post. Passing the CBE alone is not enough, and no stage can be skipped or taken out of order.
The CBE score is the basis for shortlisting. After the CBE, SSC prepares a provisional list of candidates who are eligible to appear for the physical stages. The number shortlisted is normally many times the number of vacancies, so a candidate with a below-average written score may still be called if the cut-off permits. However, the physical stages are separate from the written merit list. A candidate with the highest CBE score can still be eliminated if he or she fails the PST or PET. Conversely, a candidate with a modest CBE score who clears every physical and medical stage remains in the race.
The PST is a measurement-based check. It records height, chest, and weight according to the norms in the current notice. The PET is a timed race with separate qualifying times for normal and Ladakh regions. Both are qualifying, not scored. There is no award for running much faster than the required time or for having extra chest expansion. You either meet the minimum standard or you do not. This is a different mindset from the CBE, where every additional correct answer improves your composite score.
After the PET, the Detailed Medical Examination (DME) checks whether a candidate is medically fit for the demanding physical duties of a constable in the CAPFs, NIA, SSF, or Assam Rifles. If the medical board finds a defect, the candidate has the right to a Review Medical Examination. The final rung is Document Verification, where original certificates for age, educational qualification, category, and domicile are checked against the application form. A mismatch in your name, father's name, or date of birth at this stage can cost you the job even after clearing everything else.
A common mistake is to prepare from a previous year's notification. Physical standards, relaxations, the distance of the PET race, and even the order of stages can be modified by SSC from one recruitment cycle to another. The only reliable source is the current notice published at ssc.gov.in. Read it before you start your preparation, and re-read the relevant pages when your admit card is issued. Do not trust coaching notes or social-media screenshots that carry outdated figures.
Another mistake is to treat the physical stages as a formality. Every year, candidates who score well in the CBE fail because they begin running only after the written exam. Since the CBE and the physical stages are held in a short window, the right approach is to prepare for both at the same time. Your weekly plan should include mock tests for the CBE and at least three running sessions for the PET. The ladder rewards consistency, not last-minute panic.
Finally, keep your documents ready from the first day. CBE is conducted online and requires only an admit card and ID, but PST and DV require age proof, educational certificates, caste or category certificates, and any declaration required by the notice. Arrange originals and photocopies in a single file. A candidate who has cleared the written test and physical race often loses a job offer because a document was unavailable at the final verification. Treat the current SSC notice as the rule book, and check the official website frequently for stage-specific instructions.
CBE Paper Structure: Sections, Marks and Medium
The CBE consists of 80 objective-type questions carrying 160 marks. The total time allowed is 60 minutes, which gives an average of exactly 45 seconds per question. The paper is divided into four sections of 20 questions each. Every question carries 2 marks, so each section is worth 40 marks. There is no separate question paper for each section; all four sections appear in a single computer-based test, and you can switch between sections during the examination.
The first section is General Intelligence & Reasoning. It contains questions on analogy, classification, series, coding-decoding, syllogism, blood relations, direction sense, non-verbal reasoning, and similar topics. The second section is General Knowledge & General Awareness, which covers current affairs, history, geography, Indian polity, economics, general science, sports, and other subjects relevant to everyday life. These questions rely more on memory and regular reading than on problem-solving skill.
The third section is Elementary Mathematics. Its syllabus includes number systems, percentages, ratios and proportions, averages, simple and compound interest, time and distance, time and work, profit and loss, mensuration, and basic algebra. The fourth section is English/Hindi. A candidate chooses one of the two languages at the time of application, and questions test grammar, vocabulary, comprehension, and sentence correction in that language. This section is not a test of overall writing ability; it is objective and limited in depth.
The difficulty level of the paper is approximately Class 10. That means the concepts themselves are not advanced. The real challenge is the time pressure. With 80 questions in 60 minutes, you cannot afford to spend two minutes on every question. You need a section-wise strategy that allows you to attempt quick, accurate questions first and leave time-consuming ones for later. In classroom preparation, many students can solve a Class 10 problem slowly, but in the CBE they fail because they run out of time.
The paper can be attempted in English, Hindi, and 13 regional languages. This medium choice is a major tactical advantage. If your reading speed is higher in your mother tongue, you should select that medium in the application form. However, the English/Hindi language section itself will be in the language you choose for that section, and technical terms in mathematics or GK may still appear in their common English forms. Practice at least one mock test in the same medium you plan to use in the real exam.
Because the CBE is conducted over multiple shifts and dates, the difficulty of different question papers is not identical. To create fairness, marks are normalised across shifts. Raw marks in a difficult shift are adjusted so that a candidate who faced a harder paper is not penalised. At the end of the process, a single composite score is prepared for every candidate. This composite score is the basis for shortlisting for the physical stages. Therefore, do not compare your raw attempt count with another candidate's raw count from a different shift.
The four sections carry equal weight, so there is no reason to abandon an entire section. Many weak GK candidates prefer to skip it, but that means surrendering 40 marks before the test even begins. Instead, use the paper structure to build a personal attempt plan: decide which section you will start with, how many minutes each section should receive, and which question types you will leave for the second pass. A rough time budget is 12-15 minutes per section, with small adjustments according to your strengths.
Scoring, Negative Marking and the 60-Minute Attempt-Order Plan
The scoring rule looks simple: a correct answer earns +2 marks, a wrong answer deducts 0.25 marks, and an unanswered question receives 0. This means a wrong answer costs one-eighth of the gain of a correct answer. Eight wrong answers will cancel one correct answer. Before the exam, internalise this number. It is the arithmetic behind every decision to skip or attempt a doubtful question. The mark penalty is small as a number, but the cumulative damage can be painful.
The table below shows how quickly wrong answers eat into the marks you have worked hard to earn:
The first consequence of this scoring rule is that blind guessing is costly. If you guess ten questions without any reasoning, you are likely to get several wrong, and those wrong answers will cancel answer marks you earned elsewhere. This does not mean never guess. A guess made after eliminating two or three options is a calculated attempt, especially if the remaining choice is one you can defend. The problem is the wild guess, made without reading the question properly, purely to avoid leaving a blank.
Use the first 40-45 minutes to attempt only confident questions across all four sections. Start with your strongest section, because it gives you early marks and confidence. As you move through each section, answer the questions you can solve quickly, and flag the longer or uncertain ones. Do not spend more than 60-75 seconds on any question in this first pass. The objective is to bank guaranteed marks in all sections before you spend time on difficult retrieval.
In the next 10-12 minutes, return to the flagged or shortlisted questions. These are the questions you decided could be solved with a little more work. Attempt the ones you are now able to handle, but be strict: if a flagged question still requires more than two minutes of calculation or thinking, leave it. It is better to leave one or two doubtful questions unanswered than to lose marks on them and also run out of time for other reliable questions.
Keep the last 3-5 minutes for checking your answers, not for solving new problems. On the computer screen, verify that every attempted question has exactly one answer selected. Check for accidental clicks, skipped questions near the end, or a mismatch between what you intended and what was recorded. Quickly recheck the arithmetic of ten or fifteen easy questions if time remains. This final pass prevents careless errors that negative marking makes expensive.
Tackle the sections in order of personal strength, but never leave an entire section for the end. If you use all your time on one strong section, you are surrendering 40 marks from a weak section. A balanced attempt plan is usually better than one that focuses only on your favourite subjects. After every mock test, record how many questions you attempted in each section and how many were correct. Over time, use this data to decide the order and time allocation that work best for you.
| Wrong answers | Marks lost | Cancellation equivalent |
|---|---|---|
| 1 | -0.25 | One-eighth of a correct answer |
| 2 | -0.50 | One-quarter of a correct answer |
| 4 | -1.00 | Half of a correct answer |
| 8 | -2.00 | One correct answer cancelled |
| 12 | -3.00 | 1.5 correct answers cancelled |
| 16 | -4.00 | 2 correct answers cancelled |
Physical Standards Test (PST): What Is Measured
The Physical Standards Test (PST) is the first physical gate after the CBE. It is not a scored test; it is a go/no-go filter. A candidate either meets the minimum physical standard or is disqualified immediately. The PST measures three parameters: height, chest with expansion in the case of male candidates, and weight proportionate to height and age. There is no marks sheet for this stage, and no marks can be compensated from the CBE. A candidate with a very high written score can still be eliminated at this stage if he or she fails any one of the measurements.
Height is not a single universal figure. In the SSC Constable (GD) process, the minimum height is linked to category and to the force or formation concerned. The current notice gives the basic height standard and the relaxations available to candidates belonging to specified regions or reserved categories. The official measurement is taken with a standard stadiometer, usually without shoes and with the candidate standing erect. A common error is to compare a gym measurement with the official cut-off and assume the result is safe; the reading can differ by half a centimetre depending on the time of day and the equipment. If you are close to the minimum, do not rely on a home tape measure.
For male candidates, the chest is measured twice. The first reading is the unexpanded chest girth, taken when the candidate has breathed out normally. The second is the expanded chest girth, taken after a deep inhalation and maximum expansion. The difference between the two readings is the chest expansion. The notice specifies a minimum unexpanded chest and a minimum expansion. A very common mistake is to focus on expansion alone by practising deep breathing in the gym while ignoring the unexpanded minimum. If the unexpanded girth is below the required standard, a large expansion cannot compensate. The chest measurement is not applied to female candidates.
Weight is not judged as one fixed number for every candidate. It is checked as proportionate to height and age. The examining medical officer compares the candidate's body weight against an acceptable range for that height and age group. Both underweight and overweight candidates can be rejected. A lean candidate who has never been overweight may assume he is safe, but if his muscle mass is low, his weight may fall below the proportionate range. The safest strategy is to stay in the middle of the expected range for your height for the last two months before the test, rather than at the edge.
The norms are category-wise and force-wise. This means a candidate belonging to a reserved category may receive a relaxation in height, chest, or both, and the exact table may differ from one force or formation to another. The phrase force-wise is important because the same SSC GD examination feeds multiple organisations. A candidate who reads an old notice from a different force and applies it to their own case can prepare for the wrong standard. The current notice published on ssc.gov.in is the only authoritative document. Coaching handouts and newspaper summaries are useful for awareness but should never replace the official PDF.
