IB ACIO 2026 –
Complete Guide & Preparation Strategy
Intelligence Bureau ACIO Grade-II/Executive — India's premier intelligence agency recruitment under MHA. 3,717 vacancies in 2025 cycle. 3-tier selection: Tier I → Tier II → Interview. 2026 notification expected ~October 2026.
1What is IB ACIO 2026?
The Intelligence Bureau Assistant Central Intelligence Officer (IB ACIO) Grade-II/Executive exam is a national-level recruitment conducted by the Ministry of Home Affairs (MHA) to induct officers into India's domestic intelligence agency — the Intelligence Bureau. Selected officers work on national security, intelligence gathering, surveillance, and internal threat assessment.
The post is classified as Group 'C', Non-Gazetted, Non-Ministerial under General Central Service. It carries Level 7 pay (₹44,900–₹1,42,400) along with a unique Special Security Allowance (20% of basic pay) — a perk not available in most other government posts. The recruitment is irregular (not strictly annual) but has seen cycles in 2017, 2021, and 2025.
2IB ACIO 2025–26 Current Status
3IB ACIO 2025–26 Important Dates
| Event | Date | Status |
|---|---|---|
| Notification Released | 19 July 2025 | ✅ Done |
| Application Start | 19 July 2025 | ✅ Done |
| Application Deadline | 10 August 2025 | ✅ Done |
| Admit Card – Tier I | September 2025 | ✅ Done |
| Tier I Exam (CBT) | 16–18 Sep 2025 | ✅ Done |
| Tier I Answer Key | 22 September 2025 | ✅ Done |
| Tier I Result | 21 November 2025 | ✅ Done |
| Tier II Exam (Descriptive) | 11 January 2026 | ✅ Done |
| Tier II Result | 5 March 2026 | ✅ Done |
| Interview Admit Card | 26 March 2026 | ✅ Done |
| Interviews (Tier III) | Concluded 30 Apr 2026 | ✅ Done |
| Final Result (Executive) | TBN (Awaited) | ⚠️ TBN |
| IB ACIO 2026 Notification | ~Jul–Aug 2026 (Exp.) | ⚠️ TBN |
⚠️ TBN = To Be Notified. 2026 cycle dates are projected from historical patterns. Always verify on mha.gov.in.
4IB ACIO 2026 Eligibility Criteria
Educational Qualification
A Bachelor's degree in any discipline from a recognised university is mandatory. The final graduation result must be declared on or before the application cut-off date.
Nationality
- ✅ Must be a citizen of India
- ✅ Only Indian nationals are eligible (no NRI/OCI provision for this post)
- Due to the sensitive nature of the Intelligence Bureau, foreign nationals and dual citizens are not eligible.
📋Age Limit (as of Application Cut-off Date)
| Category | Relaxation | Upper Age Limit |
|---|---|---|
| General / EWS | None | 27 years |
| OBC (Non-Creamy Layer) | +3 years | 30 years |
| SC / ST | +5 years | 32 years |
| PwBD | +10 years | 37 years |
| Ex-Servicemen | As per Govt norms | Applicable |
| Departmental Candidates | Up to 40 years | 40 years (3 yrs service) |
No restriction on the number of attempts — you can appear every year as long as you meet the age eligibility.
5IB ACIO Vacancies
The 2025 recruitment cycle announced 3,717 vacancies — the largest in recent IB ACIO history. For the 2026 cycle, the MHA will announce the exact number with the official notification. Based on past patterns and ongoing intelligence expansion, a similar or higher count is expected.
6IB ACIO Exam Pattern 2026
Selection involves three stages — two written exams and a personal interview. Total marks: 250.
| Section | Questions | Marks |
|---|---|---|
| General Studies | 20 | 20 |
| Current Affairs | 20 | 20 |
| Quantitative Aptitude | 20 | 20 |
| Logical / Reasoning | 20 | 20 |
| English Language | 20 | 20 |
| Total | 100 | 100 |
| Component | Marks | Details |
|---|---|---|
| Essay Writing | 30 | 2 essays of 15 marks each on Current Affairs, Economy, Socio-political issues |
| English Comprehension & Précis | 20 | Reading comprehension + Précis writing |
Approximately 15–30 minutes. Evaluates personality, analytical ability, awareness of current events and national security, communication skills, and general suitability for intelligence work. A Psychometric/Aptitude Test may also be included.
7IB ACIO Syllabus 2026
Tier I covers five sections equally (20 questions each). Tier II tests writing and comprehension skills.
General Studies (20 Qs)
- •Indian History & Culture
- •Indian & World Geography
- •Indian Polity & Governance
- •Indian Economy
- •Science & Technology
- •Environment & Ecology
- •Defence & National Security Basics
Current Affairs (20 Qs)
- •National Events & Government Schemes
- •International Affairs & Diplomacy
- •Sports, Awards & Personalities
- •New Appointments (Constitutional, Govt)
- •Important Days & Events
Quantitative Aptitude (20 Qs)
- •Number System, Simplification
- •Percentages, Ratio & Proportion
- •Averages, Profit & Loss
- •Simple & Compound Interest
- •Time & Work, Speed, Distance & Time
- •Data Interpretation (Tables, Charts)
Logical / Reasoning Aptitude (20 Qs)
- •Series (Number & Alphabet)
- •Coding–Decoding
- •Blood Relations, Direction Sense
- •Analogies, Classification
- •Seating Arrangement, Puzzles
- •Syllogism, Statement & Conclusion
English Language (20 Qs)
- •Reading Comprehension
- •Grammar (Tenses, Voice, Narration)
- •Vocabulary (Synonyms, Antonyms)
- •Sentence Improvement & Error Detection
- •One-Word Substitution, Idioms & Phrases
- •Fill in the Blanks (Cloze Test)
Tier II — Descriptive Writing (50 Marks)
Essay (30 marks): 2 essays on topics from Current Affairs, Economics, Socio-political issues, Science & Technology.
Comprehension & Précis (20 marks): Reading passage followed by comprehension questions + précis writing.
⚠️ Important: Must be written in English only. Minimum qualifying: 33% (17/50).
8IB ACIO Salary & Career Growth
Allowances & Perks
Career Progression
9How to Apply for IB ACIO 2026
Applications are accepted online only through the official MHA portal (mha.gov.in) or the National Career Service (NCS) portal. No offline/postal applications are accepted.
Visit mha.gov.in and download the PDF notification. Read eligibility, vacancies, and important dates carefully.
Click the application link on the MHA recruitment page. Fill in basic details (Name, DOB, mobile, email) to generate a Registration ID.
Complete the form with educational qualifications, category, and other personal details. Upload a scanned photo and signature (as per specification).
General/OBC (Male): ₹550 (Exam Fee ₹100 + Processing ₹450). SC/ST/Female/Ex-Servicemen: ₹450 (only processing charges). Payment via Debit/Credit Card, Net Banking, or UPI.
Review all entries before final submission. Download and print the confirmation page with your application number for future reference.
10IB ACIO Study Plan (10 Weeks)
Complete Lucent's GK + basic English grammar. Solve 30 Quant questions daily. Read a national newspaper (The Hindu / Indian Express) every morning.
Cover all 5 Tier I sections systematically. Focus on Current Affairs (last 6 months). Practice 1 essay per day for Tier II.
Take 2 full mock tests per week. Analyse mistakes, revisit weak areas. Start Tier II précis writing practice.
Solve previous year papers under timed conditions (1 hour for 100 Qs). Aim for 70+ correct with minimal negative marking.
Prepare bio-data, current affairs (last 3 months), basic GK about Intelligence Bureau, national security topics and your subject background.
11Best Books for IB ACIO 2026
| Book | Author | Subject | Buy |
|---|---|---|---|
| Lucent's General Knowledge | Dr. Binay Karna | General Studies | Buy |
| Pratiyogita Darpan (Monthly) | Editorial Team | Current Affairs | — |
| Quantitative Aptitude for Competitive Exams | R.S. Aggarwal | Quantitative Aptitude | Buy |
| A Modern Approach to Verbal & Non-Verbal Reasoning | R.S. Aggarwal | Reasoning | Buy |
| Objective General English | S.P. Bakshi | English Language | Buy |
| How to Write Better Essays | Bryan Greetham | Descriptive Writing | — |
| IB ACIO Previous Year Question Papers | Arihant Experts | Previous Year Papers | — |
12Free Resources for IB ACIO
13Expert Tips to Crack IB ACIO
Tier I has -0.25 per wrong answer. Attempt only questions you are 80%+ confident about. A well-calibrated attempt of 70–75 questions beats 100 random guesses every time.
Most aspirants neglect the descriptive test. Practice 1 essay daily on current topics (economy, security, social issues). Read quality newspapers to build vocabulary and argument structure.
IB ACIO places heavy emphasis on national and international current events. Follow reliable sources daily (PIB, The Hindu, Indian Express). Keep a monthly notes file for quick revision.
For the interview, go beyond GK. Understand IB's history, structure, major operations, and India's intelligence framework. This differentiates serious candidates from average ones.
Speed and accuracy matter in 1 hour for 100 questions (~36 seconds per question). Regular timed mocks build the mental conditioning needed to avoid silly errors under pressure.