IB ACIO Answer Key 2025: The Ministry of Home Affairs (MHA) has released the answer key for Phase 1 of the IB ACIO (Intelligence Bureau Assistant Central Intelligence Officer) Grade-II/Executive Exam 2025. The exam was conducted on September 16, 17, and 18, 2025. The answer key can be downloaded from the Ministry of Home Affairs' website, mha.gov.in. Objections can also be filed online until September 25.

To raise objections to the answer key, candidates must provide the relevant question ID, proof (such as valid books or references), and a fee per question. This ensures transparent and fair evaluation.
IB ACIO Answer Key 2025: How to Download the Answer Key?
First, visit the MHA's official website, mha.gov.in.

Click on the "IB ACIO Answer Key 2025" link.

Log in using your user ID and password or date of birth.

Download the answer key and your response sheet.

How to estimate your score?
The IB ACIO exam carries a penalty of 1 mark for each correct answer and 0.25 marks for each incorrect answer. Candidates can estimate their potential score by comparing their answer key and response sheet.

Next Stages of the Selection Process
After the Phase 1 results are announced, the next stages of the selection process will include a written examination (Phase 2), an interview, and document verification. Candidates should prepare for these stages.

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