IB ACIO Tier 1 Answer Key 2025 Out, Response Sheet PDF

The Ministry of Home Affairs has released the IB ACIO Answer Key 2025 for Assistant Central Intelligence Officer Grade 2/Executive Exam 2025 on 22nd September 2025. Candidates can download the IB ACIO answer key and their response sheet from the official website https://www.mha.gov.in/, and the direct link is shared below. 

IB ACIO Answer Key 2025 Out

The Ministry of Home Affairs (MHA) conducted the IB ACIO Tier 1 Exam on September 16, 17, and 18, 2025, for the recruitment of 3717 vacancies. After the completion of the exam within 4 days, the officials have released the IB ACIO Answer Key 2025 with correct responses. Candidates who appeared in the IB Assistant Central Intelligence Officer Grade 2/Executive can use the IB ACIO Answer Key 2025 with correct responses to calculate their approximate marks before results are released. 

IB ACIO Result 2025- Click to Check

IB ACIO Grade 2/Executive Answer Key 2025

Around 4 lakh candidates who have appeared in the examination can now download the official answer key and response sheet by using their login details (User ID and Password).   Candidates can download their IB ACIO Answer Key 2025 for the Tier 1 exam and also raise objections against the provisional answer key within the period as notified. 

IB ACIO Answer Key 2025 Download Link 

The IB ACIO Answer Key 2025 has been released by the Ministry of Home Affairs (MHA) through online mode on their official website on 22nd September 2025. Candidates have to provide their User ID and Password to download the IB ACIO Tier 1 Answer Key 2025. The direct link to download official IB ACIO Response Sheet is also shared below. 

IB ACIO Answer Key 2025 Official Link- Click to Download

Steps to Download IB ACIO Tier 1 Answer Key 2025

As the answer key has been uploaded online, candidates who want to download their IB ACIO Answer Key 2025 from the official website can follow the steps provided below.

1. Click on the above official link that is provided once the official release is made to directly download the IB ACIO Answer Key.
2. Use your credentials, i.e., User ID and Password, to log in to the portal.
3. Look for the “Candidate Response” tab and click on the download link given in it.
4. Your IB ACIO Answer Key 2025 appears on the screen.
5. Download your answer key and save it for future reference.

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IB ACIO Answer Key 2025 Marking Scheme

Candidates can cross-check their answers and calculate marks using the marking scheme as notified by the officials. 

1. Total Questions: 100
2. Total Marks: 100
3. Negative Marking: ¼ mark (0.25) deducted for every wrong answer.
4. Duration: 1 hour

 IB ACIO Grade-II / Executive Selection Process

The selection of the candidates for 3717 Assistant Central Intelligence Officer Grade 2/Executive vacancies depends on the following stages: 

• Tier-I Written Exam
• Tier-II Written Exam
• Interview (100 Marks)
• Document Verification
• Medical Examination