Table of Contents
What is CID?
CID, or the Criminal Investigation Department, is a specialized wing of the police force in India responsible for investigating serious crimes such as murder, fraud, theft, cybercrime, and sexual assault.
CID officers are known for their sharp investigative skills, legal knowledge, and dedication to justice. They often handle high-profile and sensitive cases at the state or national level.
Types of CID Officers
Within the CID, officers are appointed to various ranks based on their qualification and experience:
Sub-Inspector (SI)
Inspector
Deputy Superintendent of Police (DSP)
Superintendent of Police (SP)
Additional Director General of Police (ADGP)
Eligibility Criteria to Become a CID Officer in India
To join CID, you must meet certain educational and physical standards. Here’s a breakdown:
1. Educational Qualification
Minimum: 12th pass (for constable roles) or Bachelor’s Degree (for officer roles)
Preferred degrees: Criminology, Law, Forensic Science, Political Science, Sociology
2. Age Limit
Minimum age: 20 years
Maximum age: 27 years (varies with caste/reservation)
Age relaxation for SC/ST/OBC as per government rules
3. Nationality
You must be a citizen of India
4. Physical Fitness
Good physical and mental health is essential
Must pass physical efficiency and endurance tests (PET)
How to Become a CID Officer: Step-by-Step Process
Step 1: Complete Your Education
Start by completing your 10+2 education, followed by a Bachelor’s degree in any stream. Though graduation in criminology, law, or forensic science is preferred, it’s not mandatory.
Step 2: Appear for UPSC or State PSC Exams
There are two main routes to join CID as an officer:
A. Via UPSC Civil Services Exam
Qualify Prelims → Mains → Interview
Get selected and undergo training at SVPNPA, Hyderabad
After experience in regular policing, you can be deputed to CID
B. Via State Police Services
Appear for State Public Service Commission exams (e.g., MPSC, UPPSC, BPSC)
Get selected as a Sub-Inspector or DSP
Based on your service record, you may be promoted to CID
Step 3: Police Training
All candidates must undergo training in:
Criminal law
Investigation techniques
Surveillance
Forensic science
Step 4: Gain Experience
CID usually recruits officers who have at least 2-3 years of experience in the regular police force. Outstanding performers are transferred or promoted to CID.
Entrance Exams to Join CID
1. UPSC Civil Services Exam
For: IPS officers who can later work in CID
Eligibility: Graduation
Age Limit: 21-32 years
Pattern: Prelims, Mains, Interview
2. SSC CGL Exam
For: Sub-Inspector roles in CBI (related to CID)
Conducted by: Staff Selection Commission
Eligibility: Graduation
Age Limit: 20-30 years
3. State PSC Exams
For: SI or DSP roles in CID under the State Police
Skills Required to Become a Successful CID Officer
To succeed in CID, you must have:
Strong analytical and reasoning skills
Knowledge of law and criminal procedure
Observation and attention to detail
Excellent communication skills
Leadership and decision-making abilities
Ability to work under pressure
CID Officer Salary in India (2025 Updated)
The salary of a CID officer depends on their rank, experience, and location. Here’s an approximate salary structure:
| Rank | Monthly Salary (INR) |
|---|---|
| Sub-Inspector (SI) | ₹35,000 – ₹50,000 |
| Inspector | ₹50,000 – ₹70,000 |
| DSP | ₹75,000 – ₹90,000 |
| SP | ₹1,00,000 – ₹1,25,000 |
| ADGP | ₹2,00,000+ |
Note: CID officers are also entitled to government perks like HRA, travel allowance, medical benefits, and pension.
Best Colleges and Courses to Pursue (Optional but Helpful)
Recommended Courses:
B.A. in Criminology or Forensic Science
LLB (Bachelor of Law)
Diploma in Criminal Justice
Certificate in Cybercrime Investigation
Top Institutions:
LNJN National Institute of Criminology & Forensic Science, Delhi
Tata Institute of Social Sciences (TISS)
NALSAR University of Law
NFSU (National Forensic Sciences University)
Top Books for CID Exam Preparation
“Indian Polity” by M. Laxmikanth
“Lucent’s General Knowledge”
“A Modern Approach to Verbal & Non-Verbal Reasoning” by R.S. Aggarwal
NCERTs (Class 6-12) for History, Geography, Polity
Previous year UPSC or State PSC papers
Difference Between CID and CBI
| CID | CBI |
|---|---|
| State-level investigation | Central-level investigation |
| Controlled by state police | Controlled by Ministry of Home Affairs |
| Focuses on local crimes | Handles national and international crimes |
| You join via State PSC/Police | You join via UPSC or SSC |
Tips to Crack CID Recruitment Exams
Start early – Begin preparing during graduation
Follow a daily study routine
Solve previous year question papers
Improve your physical fitness
Stay updated on current affairs and legal knowledge
Practice logical reasoning and aptitude daily
Conclusion
Becoming a CID officer in India is a prestigious and challenging career path for those passionate about justice, investigation, and public service. Whether you aim to become a Sub-Inspector, DSP, or rise through the ranks to SP, it requires patience, hard work, and the right strategy.
If you’re determined and prepared, nothing can stop you from joining India’s top investigation department and making a real impact on society.
FAQs: How to Become a CID Officer in India
Through SSC CGL: 1–2 years (exam + training)
Through UPSC (IPS): Around 3–5 years (exam + IPS training + CID deputation)
Promotion-based entry (from Constable to CID): Takes several years
Yes. Both men and women can apply and serve in CID if they meet all eligibility criteria.
Sharp observational skills
Analytical and logical reasoning
Communication and interrogation skills
Legal knowledge
Patience and integrity
Yes.
CID operates at the state level under the respective state police.
CBI (Central Bureau of Investigation) is a central agency under the Government of India.