OICL Assistant Syllabus 2025, Exam Pattern, Prelims & Mains

The OICL Assistant Syllabus 2025 is designed to evaluate a candidate’s overall suitability for the role through a mix of reasoning, numerical skills, language ability, and general awareness. It also tests basic computer knowledge, which is essential for day-to-day office work. Knowing the detailed syllabus helps in focused and smarter preparation. The detailed syllabus and exam pattern for both prelims and mains have been shared below in the article.

OICL Assistant Syllabus 2025

The OICL Assistant Syllabus 2025 is divided into two phases: Prelims and Mains, each with its own exam pattern and subjects. The Prelims include Reasoning, Numerical Ability, and English Language, while the Mains adds General Awareness and Computer Knowledge. Both exams are objective in nature and include negative marking for wrong answers. A clear understanding of the detailed OICL Assistant Syllabus 2025 and Exam Pattern is essential for effective preparation and scoring well in the exam.

OICL Assistant Syllabus 2025 Overview

The key highlights of the OICL Assistant Syllabus 2025 Overview table discussing the details related to the syllabus and exam pattern have been shared below.

OICL Assistant Exam Pattern 2025

The OICL Assistant Exam Pattern 2025 consists of two main stages: Prelims and Mains, followed by a Regional Language Test. The Prelims include three sections: English Language, Reasoning Ability, and Numerical Ability, conducted for 100 marks. The Mains exam includes five sections with a total of 200 questions carrying 250 marks. Both exams are objective in nature and have negative marking for wrong answers.

OICL Assistant Exam Pattern 2025 for Prelims

The OICL Assistant Exam Pattern 2025 for Prelims consists of three sections: Reasoning Ability, Numerical Ability, and English Language. The exam is conducted online with a total of 100 multiple-choice questions. Each section carries 35 or 30 marks, making the total marks 100.

OICL Assistant Exam Pattern 2025 for Mains

The OICL Assistant Mains Exam Pattern 2025 consists of five sections: Reasoning, Numerical Ability, English Language, General Awareness, and Computer Knowledge. The paper includes a total of 200 objective-type questions carrying 250 marks, with a time duration of 2 hours. Each section is timed separately, and there is a penalty of 0.25 marks for every wrong answer.

OICL Assistant Syllabus 2025 for Prelims 

The OICL Assistant Syllabus 2025 for Prelims exam consists of three main sections: Reasoning Ability, Numerical Ability, and English Language. This phase is designed to test the candidate’s basic aptitude, logical thinking, and language skills.

OICL Assistant Syllabus 2025 for Mains

The OICL Assistant Syllabus 2025 for Mains exam covers five major sections: Reasoning Ability, Numerical Ability, English Language, General Awareness, and Computer Knowledge. The exam consists of 200 questions and follows a time-bound, objective format. Candidates must also be aware of negative marking, as 0.25 marks are deducted for each incorrect answer. The details syllabus for Mains exam has been discusses below in detail.

OICL Assistant Mains Syllabus 2025 for Reasoning

This section tests logical and analytical thinking. Key topics include:

• Puzzles (Box-based, Floor-based, Month & Date-based)
• Seating Arrangement (Linear, Circular, Square)
• Syllogism (Traditional & New Pattern)
• Blood Relations (Coded & Direct)
• Coding-Decoding (Alphabet-based, Number-based, Symbol-based)
• Inequalities (Direct & Coded)
• Input-Output (Machine-based patterns)
• Direction Sense Test
• Alphanumeric Series
• Statement and Assumption
• Statement and Conclusion
• Cause and Effect
• Ranking and Order

OICL Assistant Mains Syllabus 2025 for Maths

This section measures numerical problem-solving and speed. Topics include:

• Simplification and Approximation
• Number Series (Missing & Wrong Number)
• Data Interpretation (Bar Graph, Line Graph, Pie Chart, Caselet)
• Quadratic Equations
• Profit and Loss
• Percentage
• Simple and Compound Interest
• Time, Speed and Distance
• Time and Work
• Ratio and Proportion
• Averages
• Mixture and Alligation
• Boats and Streams
• Age Problems
• Mensuration (2D & 3D shapes – area, volume)
• Partnership
• Pipes and Cisterns

OICL Assistant Mains Syllabus 2025 for English

This section evaluates grammar, vocabulary, and comprehension. Topics include:

• Reading Comprehension (including inference-based questions)
• Cloze Test
• Fill in the Blanks (Single/Double)
• Error Spotting (Grammar & Sentence structure)
• Sentence Improvement/Correction
• Para Jumbles (Rearranging Sentences)
• Sentence Completion
• Phrase Replacement
• Vocabulary – Synonyms and Antonyms
• Idioms and Phrases
• Active and Passive Voice
• Direct and Indirect Speech

OICL Assistant Mains Syllabus 2025 for General Awareness

This section checks a candidate’s knowledge of current events and general studies:

• Current Affairs (National & International – last 6 months)
• Banking and Financial Awareness
• Insurance Awareness (History, Principles, Terminology, Regulatory bodies like IRDAI)
• Important Government Schemes and Policies
• Awards and Honours
• Books and Authors
• Recent Appointments and Resignations
• Important Days & Themes
• National and International Organizations
• Countries, Capitals, and Currencies
• Obituaries
• Sports News
• Indian Constitution – Basic Facts
• Economic Terminology
• Static GK (Rivers, Dams, National Parks, Headquarters, etc.)

OICL Assistant Mains Syllabus 2025 for Computer Knowledge

This section tests basic computer literacy. Topics include:

• Fundamentals of Computers
• History and Generations of Computers
• Types of Computers (Analog, Digital, Hybrid)
• Operating Systems (Windows, Linux basics)
• Computer Hardware (Input/Output Devices, Storage Devices)
• Software (System Software, Application Software)
• Internet and Web (Browsers, Search Engines, Cloud Computing, Email basics)
• Networking Basics (LAN, WAN, IP Address, DNS, Protocols)
• MS Office – Word, Excel, PowerPoint (shortcuts, formulas, formatting)
• Computer Abbreviations (HTTP, URL, USB, CPU, etc.)
• Cyber Security (Virus, Firewall, Anti-virus, Hacking basics)
• Shortcut Keys (Ctrl+C, Ctrl+V, Alt+Tab, etc.)
• Binary System, ASCII Code
• Basic Troubleshooting

OICL Assistant Regional Language Test 2025

The OICL Assistant Regional Language Test 2025 is conducted after the mains exam to assess a candidate’s proficiency in the local language of the state they applied for. This test is qualifying in nature and is mandatory for final selection.