How to Become CBI Officer after 12th (Any Stream).

Word text in brown color how to Become CBI Officer After 12th.
How to Become CBI Officer After 12th.

How to become CBI officer after 12th.

How to become CBI officer after 12th is always a popular question among students.

Before knowing deep about how to join CBI. Let’s understand what is CBI stands for and why it comes under top government jobs.

CBI (Central Bureau of Investigation) is called one of the prestigious jobs in India.

The reason because it helps the government to handle and investigates special social matters, high-profile cases, public life, maintain the trust of people in a government investigation, etc.

So ideally, because of its nature of investigation work, it also comes under the premier investigating agency of the country.

Another best Reason to become CBI officer after 12th is its good salary package other facilitate and respect. Which you will be get through society and government.

CBI (Central Bureau of Investigation) works under several government departments. Such as Department of the Personnel, Pension & Public Complains of the government of India, Ministry of Personnel, etc.

Can We Join CBI after 12?

So let come in very common question of Indian youth how to become CBI officer after 12th.

Actually to become a CBI officer you have to complete the graduation means bachelor’s degree (any stream) from any recognized college or institute.

Just after 12th class, you cannot apply for the CBI Exam.

Eligibility Criteria.

Now let see what are the qualification to become a CBI Officer required?

  • Graduation Degree (Any Stream) from a recognized college.
  • Bachelor’s degree marks better to have more than 50%.
  • If you want to apply for the Sub Inspector in CBI then the age limit is 20 Years to 30 Years.
  • Category Ways: General Category (20 years – 30 Years) / SC/ST Category (20 Years to 35 Years / OBC Category (20 Years to 33 Years).
  • Physical fitness required.
  • Height: Men 165 Centimeters / Women 150 Centimeters.

CBI Course Details.

Another top asking question which degree is best for CBI? If you are looking for any kind of CBI course. Then only you can do that you can appear in the UPSC Exam.

Else you can also crack the Combined Graduate Preliminary Exam (CGPE). Which get conducted by the Staff Selection Committee (SSC). But remember you have to clear the bachelor’s degree course too.

SSC CGL gives you the direct recruitment of Group C for the Central Bureau of Investigation (CBI). 

However, many small to big CBI Academy is available that provides basic training courses to specialized courses.

UPSC Exam Preparation.

Best Subject for CBI Officer?

Next comes which subject is best for CBI Officer. After completing 12th standard it’s good to have a mathematics and your main subject. The second subject is English.

Both subjects will be going to help you with your CGL Exam. For becoming a CBI officer you have to clear the CGL exam too.

Before applying for the CGL Exam be prepare with important topics. Such as general skills, general awareness, arithmetic, language, math, and English.

CBI Officer Exam.

  • After clears the SSC CGL exam you can apply for the UPSC exam.

First Exam: Preliminary Exam (total of 200 marks).

  1. General Intelligence & General Awareness (1st Paper).
  2. Arithmetic Ability (2nd Paper).

Second Exam: Mains Exam (Total 700 Marks).

  1. General Studies (1st Paper).
  2. English (2nd Paper).
  3. Arithmetic (3rd Paper).
  4. Language (4th Paper).
  5. Communication Skill & Writing (5th Paper).
  • After clear both exam personal interview and document verification also happens.

There are two types of exams are available for two different posts.

  • Group A Officer Exam for Civil Service (Conducted by UPSC).
  • Sub Inspector (Conducted by SSC CGL).

CBI Officer Exam Syllabus.

After knowing how to become CBI officer in India let see the CBI officer exam syllabus. As per SSC CBI (Sub Inspector Post).

We all know there are two ways of exams are available.


CBI Officer Exam Syllabus.


Tier 1.

General Intelligence and Reasoning.

  • Verbal & Non-Verbal Questions.
  • Similarities & Differences.
  • Decision Making.
  • Observation.
  • Relationship Concepts.
  • Number classification.
  • Problem Solving.
  • Word Building.
  • Visual memory.
  • Arithmetical Number Series.
  • Semantic Classification.
  • Etc.

Tier 1.

General Awareness.

  • Awareness about the environment and applications.
  • Knowledge of Current Events and Scientific Aspect.
  • Test knowledge of General Policy, geography, Economic Scene, etc.

Tier 1.

Quantitative Aptitude.

  • Profit and Loss.
  • Percentage.
  • Relationships between numbers.
  • Trigonometric Ratio.
  • Frequency Polygon.
  • Right, Circular Cylinder.
  • Partnership Business.
  • Average.
  • Decimals.
  • Square Roots.
  • Interest.

Tier 1.

English Comprehension.

  • Understanding of English.
  • Comprehension.
  • Writing Ability.


CBI Officer Exam Syllabus.


Tier 2.

Quantitative Ability.

  • Decimal.
  • Fractions & Relationship.
  • Averages.
  • Regular Right Pyramid.
  • Time and Work.
  • Basic Algebraic.
  • Height and Distances.
  • Tangents.
  • Etc.

Tier 2.

English Language and Comprehension.

  • Finding English errors.
  • Active.
  • Passive.
  • Indirect.
  • Improvement of Sentences.
  • Synonyms. Spellings.
  • Etc.

Courses Examination Method (SSC CGL).

CBI recruitment process for Group C CBI Post (Sub Inspector).

Tier 1.

Computer-Based Objective Examination.

Tier 2.

Descriptive Writing Test.

Tier 3.

Computer Proficiency Test (Document Verification).

Skillset for CBI Officer.

  • Fitness.
  • Mentally Strong.
  • Concentration Power.
  • Logical.
  • Resistance.
  • Handle Work Pressure.
  • Ready to travel.
  • Observation.
  • Analytical Mind.

Highest Post in CBI?

One more popular question regarding CBI profession what is the highest post in CBI? Then let me tell you CBI is headed by a Director.

Therefore, the highest post in CBI (Central Bureau of Investigation) is the Director-General of Police.

CBI Divisions.

  • Anti-Corruption Division.
  • Economic Offences Division.
  • Administration Division.
  • Central Forensic Science Laboratory.
  • Directorate of Prosecution.

Responsibility of CBI Officer?

Now let see what is the job of CBI officer or you can say the duty of a CBI officer.

  1. Maintain Professionalism in the CBI Work.
  2. Handle all major investigations and public life cases.
  3. Make sure the public follows the rule of parliament and government.
  4. Investigate for anti-corruption and Economic area.
  5. Investigate import-export and cultural property.
  6. Handle special cases of central govt and central financial institutions.

Is CBI Post Powerful?

CBI work for public health and wealth. However, a question comes is CBI powerful?

Then the answer is yes, it is because CBI mostly handles the most demanding case of the country. And they are highly experienced by a premier investigating agency of the country.

Who is Powerful CBI or IPS?

Both have their own powers and priorities. In my opinion, it’s unfair to say that CBI is powerful or IPS are more powerful. We all know IPS is India’s one of the highest demanding post.

However, other hands it’s true that CBI officers as Sub-inspector usually have limited powers of investigating cases or matters.

CBI After IPS?

If you want to know how can I join CBI after IPS? Check details below.

  • Looking to become a group officer in CBI.
  • First Crack the UPSC Exam and become IPS Officer.
  • Later if want to join CBI then appear for the SSC CGL Examination and clear the same.

CBI Exam Preparation Books (CBI Study Material).



Quantitative Aptitude.


Numerical Ability & Data Interpretation.


NCERT Books Apps.

Toppers Exam SSC CBI Study Material.

UPSC Books (Prelims & Mains Books List).

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