The Intelligence Bureau (IB) is India's premier internal intelligence agency, operating under the
Ministry of Home Affairs with the primary mandate of gathering intelligence within India and
conducting counter-intelligence and counter-terrorism operations. Established in 1887 as the
Central Special Branch, it is considered one of the oldest intelligence organizations in the
world. The agency is tasked with maintaining internal security, monitoring border areas, and
acting as a security advisor to both state and central governments.
The Intelligence Bureau (IB) is one of India’s most prestigious internal intelligence agencies.
Every year, thousands of candidates apply for IB exams to secure a government job in national
security and intelligence. Here’s a complete, easy-to-understand guide covering everything you need to know.
The IB exam is conducted by the Intelligence Bureau under the Ministry of Home Affairs.
Its purpose is to recruit candidates for various intelligence and security roles across India.
These jobs involve:
- Internal security
- Surveillance and intelligence gathering
- Counter-terrorism operations
Types of IB Exams / Posts
The IB recruits for multiple positions:
1. IB ACIO (Assistant Central Intelligence Officer)
- Most popular exam
- Graduate-level post
- Field + desk work
2. IB Security Assistant / Executive (SA)
- Entry-level job
- Focus on field duties
3. IB MTS (Multi-Tasking Staff)
- Support staff role
- Basic administrative work
4. IB JIO (Junior Intelligence Officer)
- Technical roles (IT, electronics)
Educational Qualification
For IB ACIO:
- Graduation in any discipline from a recognized university
For Security Assistant:
- 10th pass + local language knowledge
For MTS:
For JIO:
- Diploma / Engineering (technical field)
Age Limit
- Minimum: 18 years
- Maximum: 27 years (for ACIO)
Age relaxation applies for:
- SC/ST: +5 years
- OBC: +3 years
Selection Process
The IB selection process generally includes:
Tier 1: Written Exam (Objective)
- General Awareness
- Quantitative Aptitude
- Reasoning
- English
Tier 2: Descriptive Test
- Essay writing
- English comprehension
Tier 3: Interview
- Personality test
- Communication skills
Final Stage:
- Document Verification
- Medical Test
Job Role of IB Officers
An IB officer may:
- Collect intelligence data
- Monitor suspicious activities
- Work undercover
- Prepare security reports
It is a high-responsibility and confidential job
Salary Structure
IB ACIO Salary:
- ₹44,900 – ₹1,42,400 (Level 7 Pay Matrix)
Additional Benefits:
- Dearness Allowance (DA)
- House Rent Allowance (HRA)
- Special Security Allowance (~20%)
- Travel Allowance
In-hand salary: approx. ₹60,000 – ₹75,000/month
Career Growth
Promotions in IB:
- ACIO → DCIO → AD → Joint Director
ACIO (Assistant Central Intelligence Officer)
- Entry-level officer post
- Recruited through IB exam conducted by Ministry of Home Affairs
- Work includes:
- Intelligence gathering
- Field surveillance
- Report writing
Salary: Level 7 (₹44,900 – ₹1,42,400)
Promotion usually after 5–10 years
2. DCIO (Deputy Central Intelligence Officer)
- First promotion level
- More responsibility and supervisory role
Work includes:
- Handling operations
- Managing junior officers (ACIOs)
- Coordinating intelligence activities
Salary: Level 10 (₹56,100 – ₹1,77,500)
3. AD (Assistant Director)
- Mid-level leadership position
Responsibilities:
- Planning intelligence missions
- Decision-making at higher level
- Coordinating with other agencies
Salary: Level 11/12 (₹67,700 – ₹2,08,700)
4. Joint Director
- Senior leadership role in IB
Responsibilities:
- Overseeing large intelligence operations
- Policy-level decisions
- Advising government authorities
Salary: Level 13 (₹1,23,100+)
Promotion Timeline (Approx)
| Rank |
Time Required |
| ACIO → DCIO |
5–10 years |
| DCIO → AD |
8–12 years |
| AD → Joint Director |
10–15 years |
Growth depends on performance and experience
Important Points
- Job involves risk and secrecy
- Transfers can happen anytime
- Work hours may be irregular
Why Choose IB Job?
- Government job security
- Prestige and respect
- Opportunity to serve the nation
- Good salary and perks
