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.