Bihar Police SI Syllabus 2025: Comprehensive Prelims & Mains Exam Pattern

The Bihar Police Sub-Inspector (SI) exam, conducted by the Bihar Police Subordinate Services Commission (BPSSC), is a competitive state-level examination that assesses candidates through multiple stages: Prelims, Mains, Physical Efficiency Test (PET), and Medical Examination. This post contains the complete, updated syllabus with a 1000+ word breakdown of all subject-wise topics, preparation tips, recommended books, and a downloadable syllabus PDF.

Bihar SI Exam Pattern 2025

Stage	Paper	Subjects	Questions	Marks	Duration	Qualifying Marks
Prelims	Single Paper	General Knowledge & Current Affairs	100	200	2 Hours	30%
Mains	Paper I	General Hindi	100	200	2 Hours	30%
	Paper II	GS, Civics, Science, Reasoning, Math	100	200	2 Hours	Merit-based

Prelims Syllabus – General Knowledge & Current Affairs

Topic	Detailed Topics
Indian History	Prehistoric period, Indus Valley, Vedic age, Mauryan & Gupta Empires, Sultanate & Mughal rule, British India, 1857 Revolt, Indian National Movement, Bihar’s role in freedom struggle
Geography	Physical geography, Indian states, agriculture, rivers (Ganga, Kosi), soil, monsoon, Bihar’s topography, districts, natural resources
Indian Polity	Preamble, Fundamental Rights, Directive Principles, Parliament, President, PM, Governor, CM, Panchayati Raj, Judiciary
Indian Economy	Economic planning, NITI Aayog, budgets, banking, GDP, inflation, economic reforms, schemes (PMAY, MNREGA), Bihar economy
General Science	Physics (force, light), Chemistry (compounds, reactions), Biology (human body, diseases), Environment, Scientific developments
Current Affairs	Recent events, defense, sports, awards, national/international summits, Bihar-specific updates
Bihar GK	History of Bihar, politics, culture, rivers, economy, famous personalities, schemes, demography

Mains Paper I – General Hindi 

Topic	Detailed Topics
Sentence Correction	Identify and correct grammatical errors including verb tense, subject-verb agreement, gender, etc.
Synonyms	Similar words such as sun–ravi, water–jal, fire–agni
Antonyms	Opposite words like day–night, happy–sad, true–false
One Word Substitution	Single word for a phrase. Example: One who is everywhere – omnipresent
Sentence Rearrangement	Reordering jumbled sentences into meaningful ones
Sandhi	Types of word conjunctions like vowel (swar), consonant (vyanjan), visarga
Compound Words	Types of compound words (Samas): Dvandva, Tatpurush, Bahuvrihi, Karmadharaya
Idioms and Proverbs	Common idioms and their meanings (e.g. “naak katna” – to lose respect)
Unseen Passage	Reading comprehension with inference, summary, and vocabulary-based questions
Essay Writing	Topics: Women Empowerment, Environment, Technology, Corruption
Letter Writing	Formal/informal letter formats like complaint, application, invitation, appreciation

Mains Paper II – Subject-wise Detailed Syllabus

1. General Studies

Topic	Detailed Topics
Modern Indian History	1857 revolt, freedom movement, Gandhi’s role, INC, role of Bihar
Indian Geography	Rivers, mountains, irrigation, monsoon, climate, soil, agriculture, Bihar’s natural divisions
Polity	Constitution, Judiciary, Parliament, President, State Government, Panchayat
Economy	GDP, NITI Aayog, budgets, banking system, reforms, schemes
Current Affairs	National/international events, government schemes, awards, summits, Bihar news
Bihar GK	Cultural heritage, festivals, government, social structure, tourist sites, famous people

2. General Science

Subject	Detailed Topics
Physics	Motion, force, work, energy, sound, light, magnetism, electricity
Chemistry	Matter, reactions, acids & bases, periodic table, environment
Biology	Body systems, cells, nutrition, diseases, reproduction, biodiversity

3. Civics

Topic	Detailed Topics
Constitution	Features, Preamble, Rights, Duties, Amendments, Citizenship
Government	President, PM, CM, Governor, Cabinet, Parliament, Assembly
Local Self-Government	Gram Sabha, Panchayats, Municipality, elections
Judiciary	Supreme Court, High Court, PIL, judicial system
Law and Order	IPC basics, police system, FIR, cyber law

4. Reasoning

Topic	Detailed Topics
Verbal Reasoning	Coding-decoding, analogy, blood relation, direction, odd one out
Non-Verbal Reasoning	Figures, mirror images, embedded images, classification
Logical Reasoning	Syllogism, cause-effect, arguments, statement & conclusion
Puzzles	Seating arrangement, calendar, ranking, input-output

5. Mathematics

Topic	Detailed Topics
Arithmetic	LCM, HCF, percentage, profit & loss, time & distance, SI & CI
Algebra	Linear equations, identities, polynomials
Geometry	Angles, triangles, circles, congruency, similarity
Mensuration	Area and volume of cube, cuboid, cylinder, cone, sphere
Statistics	Mean, median, mode, graphs, pie charts, bar diagrams

Bihar SI Syllabus PDF Download

Click here to download the official Bihar SI Syllabus PDF 2025

Recommended Books for Bihar SI Preparation

Subject	Book	Author/Publisher
General Knowledge	Lucent GK	Lucent
Current Affairs	Monthly Magazine	Pratiyogita Darpan
Science	NCERT Science	Class 6–10
Math	Quantitative Aptitude	R.S. Aggarwal
Reasoning	Verbal & Non-Verbal	R.S. Aggarwal
Hindi	Samanya Hindi	Lucent/Arihant
Polity	Indian Polity	M. Laxmikanth
Economy	Indian Economy	Ramesh Singh

Preparation Tips for Bihar SI Exam

• Make a daily routine with 6–8 hours of focused study
• Start from NCERT books (6–10) for basics
• Follow monthly current affairs magazines and YouTube channels
• Attempt weekly mock tests and analyze your performance
• Practice physical fitness daily for PET (running, jumping, shot put)
• Revise every Sunday using your handwritten notes

Bihar SI PET (Physical Efficiency Test) 

Candidates who clear the Mains exam must undergo PET to test physical fitness. It includes race, high jump, long jump, and shot put. Standards differ for male and female candidates.

Test	Male	Female
Race	1.6 km in 6.5 min	1 km in 6 min
High Jump	4 ft	3 ft
Long Jump	12 ft	9 ft
Shot Put	16 ft (16 lbs)	10 ft (12 lbs)

Note: PET is qualifying only. Failing in any activity leads to disqualification.

Conclusion

The Bihar SI 2025 syllabus is vast but manageable with a solid study plan and consistent practice. Focus on both written and physical tests. Use quality books, stick to the syllabus, and stay updated with Bihar’s current affairs for best results. Good luck!

Bihar SI PET – FAQs