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OPSC ASO Books: Check Out the Recommended Books Here
Last Updated on Jun 27, 2025
Download OPSC ASO complete information as PDFIMPORTANT LINKS
The OPSC ASO Exam 2025 official notification will be released by the recruiting body on its website. The exam will be held as per the date mentioned in the official notification. The most common problem a candidate faces during exam preparation is which OPSC ASO books are to be followed, as there are tonnes of books & study materials in the market. We often waste our valuable time searching for the Best Books for the OPSC ASO Exam 2025. All candidates willing to apply for the Assistant Section Officer (ASO) exam must be acknowledged with the OPSC ASO books.
Dedication and hard work are the two most critical components an individual needs to ace difficult exams for government jobs. This competition demands an urgent need to follow the right OPSC ASO books recommended by the experts. These books will help you to prepare and score well in the exam. This article will be a time-saver for you, as it will introduce you to the Best Books for the OPSC ASO Exam 2025 as per the last recruitment pattern and syllabus.
Best Books for the OPSC ASO Exam 2025 Written Test
Based on the previous year’s notification, there are two main stages that the candidates have to clear to be selected for the position of Assistant Section Officer by OPSC.
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Stage 1: OPSC ASO Exam Written Examination (MCQs)
This stage is divided into 3 exams, i.e. Paper I, Paper II, and Paper III, which test candidates' knowledge across topics of general awareness, reasoning, and mental ability, mathematics, English and Odia languages.
Stage 2: OPSC ASO Exam Skill Test in Computer Applications (Practical)
This is the second and final stage in the selection process of the OPSC ASO Recruitment. All the candidates shortlisted in the written examination will be invited for the skill test.
In this stage, candidates would be tested on their knowledge of computer applications.
| PAPER | OPSC ASO SYLLABUS (as per last recruitment) |
| Paper-I | Topics from General Awareness |
| Paper-II | Topics from Reasoning, Mental Ability and, Mathematics |
| Paper-III | Language knowledge of English and Odia |
| Paper-IV | Skill-based test of Computer Application (Practical) |
Here is the list of recommended OPSC ASO books for written examination 2025. It is advised to go through the detailed OPSC ASO Syllabus, as we have recommended OPSC ASO books according to the syllabus. Once you have a clear idea about the expected syllabus, it will be easy to incorporate these books into your learning module.
| Check Other OPSC Exam Related Links: | |||
Top Books for General Awareness 2025
Some of the recommended books for general awareness are
| Name of the Book | Author | Description |
| General Knowledge 2021 | Manohar Pandey | It is published by Arihant Publications. This book is updated and has a total of 591 pages. It is written in English for a larger audience and is divided into two parts- general studies and Current Affairs. This book is designed so that it will not only give conceptual knowledge but also help crack competitive examinations. |
| General Studies by Disha | Disha Experts | It is published by Disha Publications. This book is an updated version of the 2nd edition and has 944 pages. It has 10000 plus objective MCQs with explanatory notes. |
| General Knowledge Manual | Edgar Thorpe Showick Thorpe | Pearson Publications publish it. This book is updated and has a total of 928 pages. The content is elaborated nicely, and all the topics are covered. |
Top Books for Reasoning and Mental Ability 2025
| Name of the Book | Author | Description |
| Modern Approach to Verbal & Non-Verbal Reasoning | Dr. R.S. Aggarwal | S. Chand Publications publish it. This book is updated and has a total of 1580 pages. It guides the candidates through faster, shorter, and time-saving methods of solving various questions. |
| A New Approach to Reasoning | B.S. Sijwali & S. Sijwali | It is published by Arihant Publications. This book is updated and has a total of 1202 pages. This book is divided into three sections: Verbal, Non-verbal, and Analytical Reasoning. It incorporates questions according to the latest patterns of the exams. |
Top Books for Mathematics 2025
Some of the following books for mathematics are:
| Name of the Book | Author | Description |
| Quantitative Aptitude for Competitive Examinations | R.S. Aggarwal | S. Chand Publications publish it. This book comes in an updated version. It is considered one of the finest books for quantitative aptitude preparation as it is a compilation of vast question banks and questions of the same difficulty level as the exam. |
| Quantitative Aptitude for All Competitive Examinations | Abhijit Guha | It is published by McGraw Hill Education Publications. This book comes in an updated version with 1024 pages. It covers a wide range of topics and questions at varying difficulty levels within every topic. |
Top Books for English and Odia Language 2025
| Name of the Book | Author | Description |
| Objective General English |
| S. Chand Publications publish it. This book is updated and has a total of 724 pages. This book has been the first choice of all aspirants for the last 20 years. |
| Objective General English |
| It is published by BK Publications. This book is updated (First Edition) and has 724 pages. This book covers various English language topics, like grammar, sentence correction, comprehension, and more. |
| English & Odia Language |
| BK Publications publish it. This book is updated (First Edition) and has 364 pages. It covers the complete basics of English and Odia languages. |
Best Books for OPSC ASO Skill Test 2025
The second round of the OPSC ASO Selection Process 2025 would be the skill test in computer language. This is the practical round where candidates were tested on various topics across
- Windows (MS-Windows)
- Computer Fundamentals
- MS-OFFICE
- Word Processing (MS Word)
- SpreadSheet (MS Excel)
- MS Access
- Presentation knowledge (MS PowerPoint)
- Communication Technology, Networking Concepts
- Usage of internet services available on the Internet
This stage is qualifying in nature and one has to secure 40% of the total marks in the skill test to qualify it.
Here are the best OPSC ASO books we recommend to brush up on your concepts in computer knowledge.
Top Books for Skill Test (Computer Application) 2025
| Name of the Book | Author | Description |
| Computer Awareness | Soumya Ranjan Behera | BK Publications publish it. This book is updated (Second Edition) and has 384 pages. It covers all the relevant topics from the exam point of view and helps you upgrade your knowledge. |
| OBJECTIVE Computer Awareness | Arihant Experts | It is published by Arihant Publications. This book is updated and has a total of 186 pages. It is designed based on close considerations of various examinations’ syllabus and patterns of Computer Applications. |
We hope you like the article on OPSC ASO Books 2025. For more information on Study material, practice Test series, and free tests, refer to the Testbook Application. Also, check out all the amazing offers on the app.
Last updated on Jun 27, 2025
->OPSC has announced 29 Job openings for the post of ASO.
->The last date to apply for the vacancy is 9th June 2025.
->The selection of the candidates for recruitment shall be made on the basis of written test and skill test in computer.
->There is no application fee for all the candidates applying for the position of Assistant Section Officer.
OPSC ASO Books FAQs
What are the best books for the OPSC ASO exam?
The following OPSC ASO books can be used as a reference- General Knowledge by Arihant Publications, A Modern Approach to Verbal & Non-Verbal Reasoning by R.S. Aggarwal, Quantitative Aptitude for Competitive Examinations by R.S. Aggarwal, English & Odia Language by Sangram Keshari Rout and Bijay Kumar Mohapatra.
What are the best OPSC ASO books for General Awareness?
The following OPSC ASO books can be used as a reference- General Knowledge by Arihant Publications, General Studies by Disha Publications etc.
Which is the best book for the OPSC ASO exam stage 1?
You can check out the book list we provided in this article. It’s always advisable to purchase the updated edition of the books. The booklist that we offered is easily available in kindle or paperback formats.
Which is the best book for the OPSC ASO exam stage 2 Skill Test?
The OPSC assistant section officer (ASO) Stage 2 is a practice round in which candidates will be given 5 questions, each of which carries 10 marks. As this stage is mandatory to qualify, one must be thoroughly prepared. You can use Computer Awareness by Soumya Ranjan Behera and Objective Computer Awareness by Arihant Publications.
Which book to refer to for Quantitative Aptitude for OPSC ASO Exam 2025?
Quantitative Aptitude for Competitive Examinations by R.S Aggarwal should be referred for Quantitative Aptitude for OPSC ASO Exam 2025.
Which book can be used for computer application for OPSC ASO Examination?
OBJECTIVE Computer Awareness by Arihant Experts can be used for computer application for OPSC ASO Examination.
Which topics will the candidates be tested for the skill test under OPSC ASO Exam?
Windows (MS-Windows), Computer Fundamentals, MS-OFFICE, Word Processing (MS Word). Spreadsheet (MS Excel), MS Access, Presentation knowledge (MS PowerPoint), Communication Technology, Networking Concepts and Usage of internet services available on the Internet will be tested under this examination.