
IB ACIO 2025 Exam – Key Highlights
Conducting Authority: Ministry of Home Affairs (MHA)
Post Name: Assistant Central Intelligence Officer (ACIO) Grade-II
Vacancies: 3,717
Exam Mode: Computer-Based Test (CBT)
Exam Dates: From September 16, 2025 (onwards)
Selection Stages: Tier 1, Tier 2, Interview, Medical Examination
IB ACIO 2025 Exam Shift Timings
The IB ACIO exam will be held in multiple shifts across different cities to accommodate the large number of candidates.
| Shift | Reporting Time | Exam Start Time | Exam End Time |
|---|---|---|---|
| Shift 1 | 8:00 AM | 9:00 AM | 10:00 AM |
| Shift 2 | 11:30 AM | 12:30 PM | 1:30 PM |
| Shift 3 | 3:00 PM | 4:00 PM | 5:00 PM |
⚠️ Candidates must report at least 60 minutes before the exam start time for security checks and biometric verification. Latecomers will not be allowed inside the exam hall.
IB ACIO 2025 Exam Pattern
Understanding the exam pattern will help aspirants stay calm and manage time efficiently.
Tier 1 Exam (CBT)
Total Marks: 100
Number of Questions: 100
Duration: 60 minutes
Negative Marking: 0.25 mark per wrong answer
| Section | Number of Questions | Marks |
|---|---|---|
| General Awareness | 20 | 20 |
| Quantitative Aptitude | 20 | 20 |
| Logical/Analytical Ability | 20 | 20 |
| English Language | 20 | 20 |
| General Studies | 20 | 20 |
Candidates who qualify Tier 1 will be called for Tier 2 (Descriptive Test), followed by interview and medical examination.
Exam Day Instructions for IB ACIO 2025
Candidates must strictly follow the guidelines issued by MHA and exam authorities:
Mandatory Documents:
Admit Card (downloaded from official website)
Valid Photo ID (Aadhar/Passport/Voter ID/Driving License)
Passport-size photograph (same as uploaded in application)
Prohibited Items:
Mobile phones, smartwatches, electronic devices
Calculators, log tables, study material
Bags, wallets, or food items
COVID/Health Guidelines:
Carry personal sanitizer and water bottle (if permitted).
Follow instructions regarding seating and movement in the exam center.
Dress Code:
Wear simple clothing without metallic elements.
Avoid accessories like jewelry or belts with heavy buckles.
Last-Minute Preparation Tips for IB ACIO Aspirants
With only a day left, aspirants should focus on revision, time management, and exam strategy rather than learning new topics.
Revise Key Topics: Focus on current affairs, static GK, reasoning shortcuts, and math formulas.
Practice Mock Tests: Attempt at least one full-length mock today to simulate exam conditions.
Improve Speed & Accuracy: Manage 60 minutes wisely by dividing equal time across sections.
English Focus: Brush up on grammar rules, comprehension, and vocabulary.
Stay Updated: Revise important events from the last 6–8 months for General Awareness.
Maintain Calmness: Avoid over-stressing or pulling all-nighters. A fresh mind works best in competitive exams.
Plan Your Travel: Check your exam center location beforehand to avoid last-minute delays.
What After IB ACIO 2025 Tier 1?
The result of Tier 1 is expected to be released within 30–40 days after the exam.
Shortlisted candidates will appear for Tier 2 (Descriptive Paper), which tests essay and English comprehension skills.
The final selection will be based on Tier 1 + Tier 2 + Interview performance.
Conclusion
The IB ACIO Exam 2025 begins tomorrow, marking a crucial opportunity for aspirants seeking a career in the Intelligence Bureau under the Ministry of Home Affairs. With strict exam day protocols and tough competition, candidates must remain confident, well-prepared, and punctual.
Make sure to carry all necessary documents, follow guidelines, and give your best attempt. A calm and focused approach on exam day will help you maximize your performance.
✨ Best of luck to all aspirants appearing for IB ACIO 2025!

