How to Become a criminal investigator?


How to Become a criminal investigator?

A criminal investigator works with other law enforcement officers to solve crimes. They must work diligently to ensure the apprehension of the correct suspects and thoroughly analyze crime scenes to gather all relative evidence and information. A CID officer investigates the specific cases that are entrusted by the government. To choose a career as a CID officer, one must be a problem solver with strong interpersonal skills and have well-developed reasoning and critical-thinking skills to solve matters pertaining to crime, investigation, prosecution and collection of criminal intelligence.Criminal investigators at the local, state, and federal levels are also typically required to receive continuing training to keep current with their job skills.

Steps to become a criminal investigator

Complete 12th class

Earn bachelor degree in criminology and criminal justice

Take a entrance exam

Civil Services examination held by the Union Public Service Commission

join this department as a sub-inspector.

Earn necessary experience.

Earn any certifications required by the local, state, or federal law enforcement agency.

Apply for a job as a criminal investigator or earn a promotion.

Pass a background check and drug test.

Complete job interview.

Earn a position as a criminal investigator and gain on-the-job experience.

Minimum Age Required

 20 Years

Upper Age Limit required

27 Years

To become a education and experience. To become a criminal investigator primarily through experience, an individual usually must work as a patrol officer. However, the jump from officer to criminal investigator can take years as officers must demonstrate readiness.

Age Relaxation 

5 years relaxation for SC/ ST category students (20 – 32 years)

3 years relaxation for OBC category students (20 – 30 years)

Minimum Height 

Male – 165 cm

Female – 150 cm

Hills men and tribal – a relaxation of 5 cm

Chest 76 cm with expansion


Distant Vision – 6/6 in one and 6/9 in the other eye

Near vision – 0.6 in one eye and 0.8 in the other eye

Number of Attempts 

General Category – 4 attempts

OBC Category – 7 attempts

SC/ ST Category – No limit

Selection Process 

Written Test

Physical Fitness Test



Bachelor degree in criminal law

Bachelor in criminal justice

Bachelor of law

master in criminal law

Master in criminal justice

Master of law

bachelor’s, or even a master’s degree in criminal justice or law enforcement can lead to advancement and better pay.

Skills required

Problem solving.

Critical thinking.

Written communication.

Oral communication.

Ethical behavior.

Attention to detail.

Keen understanding of human behavior and psychology.


The national average salary for a Investigations Officer is ₹6,98,240 in India.

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