IB ACIO Exam Analysis 2025 1st Shift 16 September, Check Difficulty Level Subject Wise

The first shift of the IB ACIO Exam 2025 Tier 1 was successfully conducted on 16th September 2025 for the recruitment of 3,717 vacancies of ACIO Grade II/Executive posts. A large number of aspirants appeared at centres across the country.

Our detailed IB ACIO Exam Analysis 2025 for Shift 1 is now available, covering the overall difficulty level, section-wise review, and good attempts. This analysis is based on the feedback received from candidates who appeared in the exam. It will be particularly helpful for candidates scheduled to appear in the upcoming shifts, as it gives a clear picture of the exam trend and question pattern followed by the Intelligence Bureau (IB).

IB ACIO Exam Analysis 16th September 2025 Shift 1

For candidates appearing in the IB ACIO Tier 1, the detailed analysis of Shift 1 held on 16th September 2025 will help in understanding the exam trend. Our IB ACIO Exam Analysis 2025 will cover section-wise difficulty, number of questions asked from different topics, overall good attempts based on student’s feedback.

The analysis will give aspirants a clear idea of the exam pattern followed by the Intelligence Bureau (IB) for the recruitment of Assistant Central Intelligence Officer (ACIO) Grade II/Executive posts. This will be especially helpful for those whose shifts are scheduled in the coming days, so they can plan their attempts more effectively.

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IB ACIO Exam Analysis 2025 Good Attempts

The number of good attempts in the IB ACIO Exam 2025 Tier 1 depends on factors like difficulty level, accuracy, and time management. Based on candidate feedback and expert inputs, the expected good attempts for Shift 1 could range between

IB ACIO Exam Analysis 2025 Section-Wise Review

The IB ACIO Tier 1 Exam 2025 consisted of five sections, each carrying equal weightage of 20 marks. Below is the section-wise analysis based on candidate feedback:

1. Current Affairs

This section included questions from recent national and international events, government schemes, awards, sports, and important appointments. The difficulty level was easy to moderate, with a focus on current updates from the last 6–8 months.

• Military Exercise(Triumph)
• Deep Ocean Mission
• Dopt Function launched in 2025
• Under 8 Chess winner
• Secretary of Dept of Revenue
• First ever CSR for Sports Headed by
• Forest Report
• Stree Summit
• 70th National Film Award
• Syed Modi Trophy
• FDI in TTP Airport
• World Bank Gep 2025

2. General Studies

Questions were asked from history, geography, polity, economy, and general science. A few questions were factual, while some required conceptual understanding. The section was rated as moderate by many candidates.

• Art 21
• Harappan Civilization (Kalibangan)
• 42nd Amendment
• Wetland
• GDP Quarters
• Mizoram Dance
• Delhi Sultanate
• Maurayan Empire (Rudradaman Inscription)
• Coromandal Coast
• Pala Dynasty Founder
• Geography (2-3 Questions)
• FR equal to DPSP in which case
• National Park matching (mayurbhanj and other 3)

3. Numerical Aptitude

This section covered topics such as arithmetic, percentages, ratio, simplification, number system, and data interpretation. While most questions were direct, some required quick calculations. The overall level was easy to moderate.

• Geometry (Circle based): 5–6 Questions
• Mensuration: 2–3 Questions
• Average: 1 Question
• Profit & Loss: 2–3 Questions
• Ratio: 2 Questions
• Mixture & Allegation: 1 Question
• Simplification: 2–3 Questions
• No Questions Asked From: Trigonometry, Algebra, Number System, Statistics, Probability, Coordinate Geometry, Time-Speed-Distance, and Race.

4. Reasoning and Logical Aptitude

Reasoning questions included coding-decoding, syllogism, analogy, series, blood relations, and puzzles. Most candidates found this section easy , as the questions were straightforward and not very lengthy.

• Statement & Conclusion: 2 Questions
• Mathematical Operations: 4–5 Questions
• Coding-Decoding: 3–4 Questions
• Address Matching: 1 Question (Error noted in options as 3 choices were the same)
• Blood Relation: 3 Questions

5. English Language

This section had questions on comprehension, error spotting, sentence improvement, synonyms, antonyms, and cloze test. The section was considered easy , with more focus on grammar and vocabulary.

• Redemption Antonym
• Idiom and Phrases
• One word Substitution 2 question
• Passage related to Italy
• Naration – 2-3Q
• Active Passive – 2-3Q
• 2Q PQRS

IB ACIO Exam Analysis – Shift Timing

The IB ACIO Exam 2025 Tier 1 is being conducted in multiple shifts across various centres to accommodate the large number of applicants. Candidates must report well before the exam time.

IB ACIO 2025 Exam Pattern

The IB ACIO Tier 1 Exam 2025 is designed to test candidates’ speed and accuracy within a limited time. The paper carries a total of 100 marks, divided equally across five sections. All questions are objective type, and the total exam duration is 1 hour. There is also a negative marking of 0.25 marks for each wrong response. Check the section-wise distribution below: