Get the complete OSAP IRB Constable Syllabus 2025 with subject-wise topics, marks distribution, and exam pattern. Download the official PDF and follow expert preparation tips to ace the Odisha Police Constable exam.
The Odisha Special Armed Police (OSAP) Indian Reserve Battalion (IRB) Constable examination evaluates candidates in multiple domains—language proficiency, reasoning, arithmetic skills, general knowledge, computer literacy, and situational judgment. This guide provides a complete syllabus, exam pattern, marks distribution, preparation strategy, recommended books, and specialization tips. Every subject’s syllabus is presented in its own detailed table.
2. Exam Overview
Component
Details
Selection Stages
Written Examination, PMT, PET, Driving Test (if applicable), Medical Examination
Exam Mode
Computer-Based
Total Questions
100
Total Marks
100
Duration
120 minutes
Negative Marking
–0.25 per wrong answer
Language
Odia & English
3. Exam Pattern
Subject
Questions
Marks
Odia Language
15
15
English Language
15
15
Arithmetic
15
15
Logical Reasoning
15
15
General Knowledge
15
15
Computer Awareness
15
15
Situational Awareness
10
10
Total
100
100
4. Subject-Wise Syllabus
Odia Language
Topic
Description
Reading Comprehension
Understanding and interpreting Odia passages
Translation
English to Odia and vice versa
Idioms & Phrases
Commonly used expressions
Vocabulary
Synonyms, antonyms, word usage
Fill in the Blanks
Grammar-based blanks
Correct Usage
Proper grammatical structure
English Language
Topic
Description
Antonyms & Synonyms
Opposite and similar meanings
Grammar
Tenses, parts of speech, subject-verb agreement
Error Detection
Spotting mistakes in sentences
Cloze Test
Fill in blanks with appropriate words
Comprehension
Reading and answering based on passages
Sentence Rearrangement
Ordering jumbled sentences logically
Arithmetic
Topic
Description
Number System
Basics of integers, decimals, fractions
Simplification
BODMAS, calculations
Percentage & Ratio
Proportional calculations
Profit & Loss
Business-related sums
Time & Work
Efficiency and work rate problems
Time & Distance
Speed, distance, and time relations
Mensuration
Area, volume, and surface area
Probability
Basic probability concepts
Averages
Mean value calculations
Logical Reasoning
Topic
Description
Blood Relations
Relationship-based questions
Syllogism
Deductive reasoning problems
Directions
Navigational problem solving
Coding-Decoding
Symbolic and letter code problems
Series
Number and letter series completion
Analogy
Finding similarities
Decision Making
Choosing logical options
Puzzles
Logical arrangements and sequences
General Knowledge
Topic
Description
Science
Basic physics, chemistry, biology
Current Affairs
Latest news and events
History & Geography
India and Odisha-specific
Economy
Indian and global economy basics
Polity
Constitution and governance
Culture of Odisha
Traditions, festivals, heritage
Sports & Awards
National and international sports & honors
Computer Awareness
Topic
Description
History of Computers
Evolution and generations
Hardware & Software
Components and types
Networking
LAN, WAN, internet basics
MS Office
Word, Excel, PowerPoint basics
Internet Basics
Browsers, search engines
Recent Tech Updates
Latest in IT and tech world
Situational Awareness
Topic
Description
Decision-Making
Choosing best course in given situations
Real-life Judgment
Responding to everyday scenarios
Problem Solving
Analyzing and resolving challenges
5. Marks Weightage by Subject
Subject
Marks
Importance Level
Odia Language
15
Medium
English Language
15
Medium
Arithmetic
15
High
Logical Reasoning
15
High
General Knowledge
15
Medium
Computer Awareness
15
Easy Scoring
Situational Awareness
10
Medium
6. Recommended Books
Subject
Book Name
Odia Language
Odia Grammar by Prakash Press
English Language
Wren & Martin Grammar, Plinth to Paramount
Arithmetic
Quantitative Aptitude by R.S. Aggarwal
Logical Reasoning
Verbal & Non-Verbal Reasoning by R.S. Aggarwal
General Knowledge
Lucent’s GK, Manorama Yearbook
Computer Awareness
Arihant’s Computer Knowledge
Situational Awareness
Case Study Practice Workbooks
7. Preparation Strategy
Step
Action Plan
1
Create a subject-wise timetable covering all topics
2
Focus on high-weightage areas like Arithmetic & Reasoning
3
Practice MCQs daily within time limits
4
Revise current affairs weekly
5
Solve previous year question papers
6
Regularly train for PMT & PET
7
Attempt online mock tests
8. Specialization & Focus Areas
Area
Priority
Tips
Quantitative Aptitude
High
Practice 20+ problems daily
Logical Reasoning
High
Solve puzzles and reasoning sets
General Knowledge
Medium
Focus on Odisha-specific facts
Computer Awareness
Medium
Learn basics and updates
Situational Awareness
Medium
Practice case-based questions
9. Conclusion
The OSAP IRB Constable exam demands consistent preparation, strong conceptual understanding, and regular practice in all subject areas. Candidates must not only master theoretical knowledge but also focus on speed, accuracy, and strategic time management during the examination. For physical efficiency, it is equally important to maintain a disciplined training routine for PMT and PET stages. By following a structured study plan, solving previous year papers, and keeping up-to-date with current events—especially those related to Odisha—aspirants can significantly increase their chances of securing a position. Dedication, practice, and balanced focus across subjects will be the key to success in this competitive recruitment process.
10. Frequently Asked Questions
Q1. How many subjects are there in the OSAP IRB exam?
Seven, including Situational Awareness. Q2. Is there negative marking?
Yes, –0.25 per wrong answer. Q3. Where can I get the syllabus PDF?
On the official Odisha Police website. Q4. What is the minimum qualifying mark?
Around 35% for UR/SEBC, less for SC/ST. Q5. Is PET mandatory?
Yes, after the written exam. Q6. How to prepare for GK?
Focus on Odisha-specific facts, national news, and yearbooks. Q7. Weightage of Situational Awareness?
10 marks.
