OICL AO Exam Guide 2026
OICL AO 2026 notification updates and complete exam guide. Check exam dates, vacancies, eligibility criteria, selection process, syllabus, and application details.
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📊 Exam Pattern & Marking Scheme
| Name of the Book | Author’s Name | Publisher | Significance |
|---|---|---|---|
| High School English Grammar and Composition | Wren and Martin | S Chand | The book has 84 chapters, covering even the minute details of English Grammar and composition. Ample practice sections available for the candidates, to help them learn their own. |
| Objective General English | S P Bakshi | Arihant Publisher | Being divided into four modules, the book has all the elements to help a candidate do well in any competitive exam. The book has previously covered topics and revision test series, to help the candidates analyze their knowledge. |
| Word Power Made Easy | Norman Lewis | Goyal Publishers | The book is comprehensive, written in simple language to boost the vocabulary skills of the candidates, and has minute explanations of all the covered topics. |
📊 Recommended Books & Authors
| Book Name | Author’s Name | Publisher's Name | Significance |
|---|---|---|---|
| A Modern Approach to Verbal and Non- Verbal Reasoning | R.S.Aggarwal | S Chand | The book covers the syllabus well, helps the candidates to understand the key concepts of the topic. |
| Analytical Reasoning | MK Pandey | _ | The book is divided into two parts, Reasoning based and logical reasoning based to help the candidates understand the basic concepts. |
| A Modern Approach to Logical Reasoning | R.S. Aggarwal | - | The book has an additional section, covering the latest questions from the recent competitive exams. The book has solved examples with simple, comprehensive explanations to help the candidates understand it well |
📊 Exam Pattern & Marking Scheme
| Name of the Book | Author’s Name | Publisher | Significance |
|---|---|---|---|
| Quantitative Aptitude for Competitive Examinations | Abhijit Guha | Vikas Publishing House | The book is comprehensive, comes with 5500 questions and solutions. The chapters are designed with easy- t0-understand theories, formulas alongside solved examples. There are numerous questions to practice in the practice sections. The book follows the latest examination pattern. |
| Quantitative Aptitude | R.S. Aggarwal | S Chand Publisher | The book is divided into two parts, Arithmetic and Data Interpretation. The former portion covers up the extensive syllabus with a major focus on decimals, fractions, cube roots, studs. The portion of Data Interpretation includes significant sections like pie charts, graphs, etc. The book has special features and comes with solved papers from the previous year. |
| Objective Arithmetic | R.S. Aggarwal | S Chand Publisher | The book is comprehensive and covers significant elements to interpret basic concepts. The book is designed with graded exercises such as HIgh level and Base Level. |
📊 Exam Pattern & Marking Scheme
| Name of the Book | Author’s Name | Publisher's Name | Significance |
|---|---|---|---|
| Current Affairs Yearly 2025 | _ | Arihant Experts | Best book on Current Affairs for any competitive exam, the candidate can stay updated and gather sufficient knowledge on this section from this particular book. |
| General Knowledge 2025 | Manohar Pandey | Arihant Experts | Comprehensive GK book and guide, with plenty of information for helping the candidates do well in the exam. |
| The Yearly Current Affairs for Competitive Exams 5th Edition | _ | Disha Experts | This is among the finest editions on current affairs, the candidates are sure to learn new things and get acquainted with much useful information. |
📊 Recommended Books & Authors
| Book Name | Author’s Name | Publisher’s Name | Significance |
|---|---|---|---|
| Descriptive General English | Richa Sharma, SP Bakshi | _ | The book has a comprehensive guide to composition, communication, and writing skill. |
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❓ Frequently Asked Questions
Q1.What is the best book for the reasoning section of the OICL AO?
The best book for this part is A Modern Approach to Logical Reasoning by R.S.Aggarwal.
Q2.How many parts are there in the recruitment stage of the OICL AO?
The phases of the selection phase are prelims and mains exams.
Q3.What is the best book for the descriptive English section?
The best book in this regard is General descriptive English by SP Bakshi and Richa Sharma.
Q4.Are the sections for both the prelims and mains the same?
The prelims have three sections, Numerical Aptitude, Reasoning, and English Aptitude. The sections in the mains are the same as that of prelims with the extra section of General Awareness.
Q5.What is the best book for Numerical Aptitude?
The best book for this section is Quantitative Aptitude by R.S.Aggarwal.
Q6.Which is the best book for objective English?
High School English Grammar by Wren and Martin is the best book for the objective English Language section.
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