IB ACIO Recruitment 2025: Phase 1 Answer Key Out – Download Now, Raise Objections Before Deadline
The Ministry of Home Affairs (MHA) has officially released the provisional answer key for the Intelligence Bureau (IB) Assistant Central Intelligence Officer (ACIO) Phase 1 exam 2025. Candidates who appeared for the IB ACIO Executive examination held in September can now download the answer key PDF from the official website — mha.gov.in. The answer key includes all question IDs matched with their correct option IDs, allowing candidates to estimate their scores and raise objections if needed.
What Is the IB ACIO Phase 1 Answer Key?
The IB ACIO Phase 1 answer key is a document released by the Ministry of Home Affairs to ensure transparency in the recruitment process. It contains:
- ✅ All question IDs from the Phase 1 exam
- ✅ Corresponding correct option IDs
- ✅ Format: downloadable PDF
- ✅ Purpose: score estimation and objection submission
This key is provisional, meaning candidates can challenge any answer they believe is incorrect.
Important Dates to Remember
- Answer Key Release Date: September 22, 2025
- Exam Dates: September 16, 17, and 18, 2025
- Objection Window: Open now on mha.gov.in
- Final Answer Key & Result: To be announced after objection review
How to Download IB ACIO Answer Key 2025 – Step-by-Step Guide
Follow these simple steps to access your response sheet and answer key:
- Visit the official MHA website: www.mha.gov.in
- Click on the ‘Notifications’ or ‘Latest Updates’ section
- Find the link titled “IB ACIO Phase 1 Answer Key 2025”
- Enter your Registration ID/User ID and Password/Date of Birth
- View your response sheet and download the PDF
- Compare your answers with the official key to estimate your score
Direct Link to IB ACIO Answer Key 2025
You can access the official answer key directly here:
👉 IB ACIO Answer Key 2025 – Direct Download Link
How to Raise Objections Against IB ACIO Answer Key
If you find discrepancies in the provisional answer key, here’s how to challenge them:
- Go to the Objection Window on the MHA portal
- Log in using your exam credentials
- Select the Question ID you want to challenge
- Upload valid supporting documents (PDF/JPG/JPEG, max 400 KB)
- Submit your objection before the deadline
⚠️ Note: Objections without valid proof or submitted after the deadline will not be considered.
What Happens After You Submit an Objection?
Once the objection window closes:
- A panel of experts reviews all submitted challenges
- Valid objections are accepted and reflected in the final answer key
- Final scores are calculated based on the revised key
- No further challenges are allowed after final key release
IB ACIO Recruitment Process – What’s Next?
Candidates who qualify in Phase 1 will move on to:
- Phase 2 (Tier 2): Descriptive Test (Analytical writing + comprehension)
- Interview & Document Verification
- Final Merit List: Based on cumulative performance
🗣️ Final Thoughts
The release of the IB ACIO Phase 1 answer key marks a crucial step in the recruitment journey. Candidates are advised to download the key, verify their responses, and raise objections if necessary. With transparency and fairness at the core of the process, this recruitment drive continues to uphold the standards of one of India’s most prestigious intelligence agencies.
Stay tuned for updates on the final answer key and Phase 1 results. Best of luck to all aspirants!

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