Bihar Police Constable 2026: Complete Exam Guide with Previous Year Papers

Last Updated: March 2026

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📋 Exam Overview

The Bihar Police Constable examination is conducted by the Central Selection Board of Constable (CSBC), Bihar to recruit constables for maintaining law and order in the state of Bihar. This is one of the most prestigious and competitive state government job examinations in Bihar.

Conducting Body

• Organization: Central Selection Board of Constable (CSBC), Bihar
• Website: csbc.bih.nic.in
• Exam Level: State Level (Bihar)
• Frequency: Based on vacancy availability

Important Dates (Expected 2026 Schedule)

Event	Expected Date
Notification Release	January-February 2026
Online Application Start	February 2026
Last Date to Apply	March 2026
Admit Card Release	April 2026
Written Examination	May-June 2026
PET/PST	July-August 2026
Medical Test	September 2026
Final Result	October-November 2026

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🎓 Eligibility Criteria

Educational Qualification

• Minimum: Must have passed 10+2 (Intermediate) or equivalent examination from a recognized Board/University
• Note: Candidates appearing in final year can also apply provisionally

Age Limit (as on 01-08-2026)

Category	Male	Female
General (UR)	18-25 years	18-25 years
BC/EBC	18-27 years	18-27 years
SC/ST	18-30 years	18-30 years
Home Guard (Bihar)	Relaxation as per rules	-

Physical Standards

Height

Category	Male	Female
General/BC/EBC	165 cm	155 cm
SC/ST	160 cm	150 cm

Chest (Male Candidates only - Unexpanded/Expanded)

Category	Minimum Chest	Expansion
General/BC/EBC	81 cm / 86 cm	5 cm minimum
SC/ST	79 cm / 84 cm	5 cm minimum

Weight (Female Candidates)

Category	Minimum Weight
General/BC/EBC	48 kg
SC/ST	46 kg

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💰 Salary & Pay Scale

Pay Structure (As per 7th Pay Commission)

Component	Amount (₹)
Pay Level	Level-3
Pay Scale	₹21,700 - ₹69,100
Grade Pay	₹2,000
Basic Pay (Starting)	₹21,700

Monthly Salary Breakdown

Component	Amount (₹)
Basic Pay	21,700
Dearness Allowance (50%)	10,850
House Rent Allowance (HRA)	1,736 - 5,208
Transport Allowance	1,800
Medical Allowance	500
Risk/Hardship Allowance	5,000 - 8,000
Gross Salary	₹41,586 - ₹48,058

Additional Benefits

• Dearness Allowance (revised periodically)
• City Compensatory Allowance (for urban postings)
• Uniform allowance
• Weapon maintenance allowance
• Ration allowance
• Pension (NPS)
• Gratuity
• Leave encashment
• Medical facilities

Career Growth

Promotion Timeline	Rank
Entry	Constable
After 8-10 years	Head Constable
After 15-18 years	Assistant Sub-Inspector (ASI)
After 20-25 years	Sub-Inspector (SI)

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📊 Exam Pattern 2026

The Bihar Police Constable selection process consists of five stages:

Stage 1: Written Examination (OMR Based)

Subject	Questions	Marks	Duration
Hindi/English/Urdu (Language)	50	50	120 minutes
General Studies	50	50	120 minutes
General Science	25	25	120 minutes
Mathematics	25	25	120 minutes
Total	150	150	2 hours

Important Points:

• Negative Marking: 0.20 marks deducted for each wrong answer
• Question Type: Objective Multiple Choice Questions (MCQs)
• Language: Hindi/English/Urdu (Language paper in chosen language, others bilingual)
• Qualifying Marks: 40% for General/BC/EBC, 35% for SC/ST

Stage 2: Physical Standard Test (PST)

• Height measurement
• Chest measurement (Male only)
• Weight measurement (Female only)
• Document verification

Note: PST is qualifying in nature.

Stage 3: Physical Efficiency Test (PET)

Event	Male Candidates	Female Candidates
Running	1.6 km (1 mile) in 6 minutes	1 km in 5 minutes

Note: Only candidates qualifying PST can appear for PET.

Stage 4: Medical Examination

• Detailed medical checkup
• Eye sight: 6/6 and 6/9 without glasses
• General fitness
• Freedom from chronic diseases

Stage 5: Document Verification & Final Merit

• Original document verification
• Character verification
• Final merit list based on written exam marks

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📚 Detailed Syllabus

1. Hindi/English/Urdu (50 Questions - 50 Marks)

Hindi Section

• व्याकरण (Grammar)
  • वर्ण, संज्ञा, सर्वनाम
  • विशेषण, क्रिया
  • काल, लिंग, वचन
  • कारक, संधि
  • समास, उपसर्ग, प्रत्यय
  • मुहावरे और लोकोक्तियाँ
  • अलंकार
  • पर्यायवाची/विलोम शब्द
  • तत्सम-तद्भव
  • अनेकार्थी शब्द
• अपठित गद्यांश (Unseen Passage)
• वाक्य अशुद्धि संशोधन
• पद परिचय
• रिक्त स्थान की पूर्ति

English Section

• Grammar (Parts of Speech)
• Vocabulary
• Synonyms/Antonyms
• Error Detection
• Comprehension
• Fill in the Blanks

Urdu Section

• Urdu Grammar
• Comprehension
• Vocabulary

2. General Studies (50 Questions - 50 Marks)

• Indian History: Ancient, Medieval, Modern, Bihar Special
• Geography: Indian, World, Bihar Geography
• Indian Polity: Constitution, Parliament, Panchayati Raj
• Indian Economy: Basic concepts, Five Year Plans
• Current Affairs: National, International (last 1 year)
• Bihar Special: History, Culture, Economy, Current Affairs
• Sports and Awards
• Books and Authors
• Important Days

3. General Science (25 Questions - 25 Marks)

• Physics: Mechanics, Heat, Light, Sound, Electricity
• Chemistry: Elements, Compounds, Acids, Bases, Metals
• Biology: Human Body, Plants, Animals, Environment
• Computer Basics: Fundamental concepts
• Environmental Science

4. Mathematics (25 Questions - 25 Marks)

• Number System
• Simplification
• Decimal and Fractions
• Percentage
• Ratio and Proportion
• Average
• Profit and Loss
• Simple and Compound Interest
• Time and Work
• Time and Distance
• Mensuration
• Data Interpretation

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🧮 Quantitative Aptitude Questions (15 with Solutions)

Question 1: Simplification

Q: (2.5 × 4.8) + (3.6 × 5.5) - (1.8 × 3.2) = ?

Solution: = 12.0 + 19.8 - 5.76 = 31.8 - 5.76 = 26.04

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Question 2: Number System

Q: The HCF of two numbers is 15 and their LCM is 300. If one number is 60, find the other.

Solution: Product of numbers = HCF × LCM 60 × other = 15 × 300 Other = (15 × 300)/60 = 75

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Question 3: Percentage

Q: If 15% of 40 is greater than 25% of a number by 2, find the number.

Solution: 15% of 40 = 6 Let the number be x 25% of x = 6 - 2 = 4 x = 4 × 4 = 16

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Question 4: Profit & Loss

Q: A shopkeeper sells two articles each for ₹1,500. On one he gains 25% and on the other he loses 25%. What is his overall profit or loss?

Solution: CP of first article = 1500 × 100/125 = ₹1,200 CP of second article = 1500 × 100/75 = ₹2,000 Total CP = ₹3,200 Total SP = ₹3,000

Loss = 200 Loss% = 200/3200 × 100 = 6.25%

Shortcut: When SP is same and profit% = loss%, there is always loss of (x²/100)% Loss% = (25 × 25)/100 = 6.25% Answer: 6.25% Loss

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Question 5: Average

Q: The average of 5 consecutive odd numbers is 25. Find the largest number.

Solution: Let numbers be: x, x+2, x+4, x+6, x+8 Average = (5x + 20)/5 = 25 5x + 20 = 125 5x = 105 x = 21

Largest = x + 8 = 29

Shortcut: Average of consecutive odd numbers is the middle number So numbers are: 21, 23, 25, 27, 29 Answer: 29

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Question 6: Ratio & Proportion

Q: Two numbers are in the ratio 5:7. If 9 is added to each, they are in the ratio 7:9. Find the smaller number.

Solution: Let numbers be 5x and 7x (5x + 9)/(7x + 9) = 7/9 45x + 81 = 49x + 63 4x = 18 x = 4.5

Smaller number = 5x = 22.5

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Question 7: Simple Interest

Q: The simple interest on a sum of money is 1/9 of the principal, and the number of years is equal to the rate percent per annum. Find the rate.

Solution: Let Principal = P, Rate = R%, Time = R years SI = P/9

SI = (P × R × R)/100 P/9 = PR²/100 R² = 100/9 R = 10/3 = 3.33%

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Question 8: Compound Interest

Q: The difference between compound interest and simple interest on ₹5,000 for 2 years at 4% per annum is:

Solution: Difference = P × (R/100)² = 5000 × (4/100)² = 5000 × 0.0016 = ₹8

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Question 9: Time & Work

Q: A, B, and C can complete a work in 10, 15, and 20 days respectively. They start together but A leaves after 2 days and B leaves 3 days before completion. How many days did the work take?

Solution: Let total days = x Work done by A = 2/10 Work done by B = (x-3)/15 Work done by C = x/20

2/10 + (x-3)/15 + x/20 = 1 Multiply by 60: 12 + 4(x-3) + 3x = 60 12 + 4x - 12 + 3x = 60 7x = 60 x = 60/7 ≈ 8.57 days ≈ 9 days

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Question 10: Time & Distance

Q: A train 180m long is running at 72 km/hr. How long will it take to cross a platform 220m long?

Solution: Total distance = 180 + 220 = 400m Speed = 72 × 5/18 = 20 m/s Time = 400/20 = 20 seconds

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Question 11: Mensuration

Q: The area of a square is equal to the area of a rectangle with sides 16m and 9m. Find the perimeter of the square.

Solution: Area of rectangle = 16 × 9 = 144 sq.m Side of square = √144 = 12m Perimeter = 4 × 12 = 48m

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Question 12: Algebra

Q: If x + y = 7 and xy = 12, find x² + y².

Solution: x² + y² = (x + y)² - 2xy = 49 - 24 = 25

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Question 13: Partnership

Q: A and B invest in a business in the ratio 3:5. If 10% of the total profit goes to charity and A's share is ₹8,550, find the total profit.

Solution: Let total profit = P Profit after charity = 0.9P

A's share = (3/8) × 0.9P = 8550 2.7P/8 = 8550 P = 8550 × 8/2.7 = ₹25,333.33

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Question 14: Data Interpretation

Q: In a school, 45% students are girls. If the number of boys is 440, find the total number of students.

Solution: Boys = 100% - 45% = 55% 55% = 440 1% = 8 Total = 100% = 800

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Question 15: Mixtures

Q: In what ratio should water be mixed with milk costing ₹60 per liter to get a mixture worth ₹45 per liter?

Solution: Using Alligation: Water (₹0) _______ Milk (₹60) \ / (₹45)/ /
(60-45) (45-0) =15 =45

Ratio = 15:45 = 1:3

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🧩 Reasoning Ability Questions (10 with Solutions)

Question 1: Series Completion

Q: 5, 11, 23, 47, 95, ?

Solution: Pattern: ×2 + 1 5 × 2 + 1 = 11 11 × 2 + 1 = 23 23 × 2 + 1 = 47 47 × 2 + 1 = 95 95 × 2 + 1 = 191

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Question 2: Coding-Decoding

Q: If SYSTEM is coded as SYSMET and NEARER as AENRER, then FRACTION is coded as:

Solution: SYSTEM → SYSMET (swap last three letters: TEM → MET) NEARER → AENRER (swap first and middle: NEAR → AENR)

Pattern seems complex. For FRACTION: FRACTION → CARFNOIT (likely)

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Question 3: Analogy

Q: Ink : Pen :: Petrol : ?

Solution: Ink is used in pen, Petrol is used in car.

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Question 4: Blood Relations

Q: A woman introduces a man as "He is the only son of my mother's mother." How is the man related to the woman?

Solution: Woman's mother's mother = Woman's maternal grandmother Only son of maternal grandmother = Woman's maternal uncle

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Question 5: Direction Test

Q: A man faces north. He turns 135° clockwise and then 180° anticlockwise. Which direction is he facing now?

Solution: Start: North 135° clockwise → Southeast (between South and East) 180° anticlockwise → Northwest (opposite direction)

Actually: 135° clockwise from North = Southeast direction 180° anticlockwise from Southeast = Northwest

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Question 6: Syllogism

Q: Statements: All roses are flowers. Some flowers are red. Conclusions: I. Some roses are red. II. All red things are flowers.

Solution: Neither conclusion follows definitely.

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Question 7: Classification

Q: Choose the odd one: (a) January (b) March (c) May (d) July (e) September

Solution: All are months with 31 days except September (30 days).

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Question 8: Ranking

Q: In a row of students, Rohit is 12th from the left and 15th from the right. How many students are in the row?

Solution: Total = (Position from left + Position from right) - 1 = (12 + 15) - 1 = 26

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Question 9: Cube & Dice

Q: Two positions of a dice are shown. Which number is opposite to 4?

Solution approach: Find common number and use adjacent faces rule.

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Question 10: Calendar

Q: If 15th August 1947 was a Friday, what day was 15th August 2026?

Solution: Years between 1947 and 2026 = 79 years Leap years = 79/4 = 19 (approx) Odd days = 79 + 19 = 98 = 0 odd days (98 ÷ 7 = 14 remainder 0)

Same day = Friday + 0 = Saturday

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🌍 General Awareness Questions (10 with Answers)

No.	Question	Answer
1	Who is the current Chief Minister of Bihar (2026)?	Nitish Kumar
2	Which is the capital of Bihar?	Patna
3	In which year was Bihar formed as a separate state?	1912
4	Which river is known as the "Sorrow of Bihar"?	Kosi River
5	Who is the current DGP of Bihar (2026)?	Vinay Kumar
6	Which ancient university was located in Bihar?	Nalanda University
7	What is the state animal of Bihar?	Gaur (Indian Bison)
8	Which festival is most famous in Bihar?	Chhath Puja
9	Who was the first Chief Minister of Bihar?	Shri Krishna Singh
10	Which is the largest city in Bihar by area?	Patna

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📝 General Hindi Questions (5 with Solutions)

Question 1: पर्यायवाची शब्द

Q: 'पृथ्वी' का पर्यायवाची शब्द है: (a) चंद्र (b) सूर्य (c) धरती (d) आकाश

Solution: पृथ्वी = धरती, वसुधा, धरा

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Question 2: विलोम शब्द

Q: 'दिन' का विलोम शब्द है: (a) सुबह (b) शाम (c) रात्रि (d) दोपहर

Solution: दिन का विलोम = रात्रि (रात)

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Question 3: संधि विच्छेद

Q: 'देवालय' का संधि विच्छेद है: (a) देव + आलय (b) देव + लय (c) देवा + लय (d) देव + अलय

Solution: देव + आलय = देवालय (अ + आ = आ)

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Question 4: मुहावरा

Q: 'कान में तेल डालना' मुहावरे का अर्थ है: (a) सुनना (b) न सुनना (c) साफ सुनना (d) ध्यान से सुनना

Solution: कान में तेल डालना = न सुनना, अनसुना करना

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Question 5: समास

Q: 'नीलकंठ' में कौन सा समास है? (a) द्विगु (b) बहुव्रीहि (c) तत्पुरुष (d) अव्ययीभाव

Solution: नीलकंठ = नीला है कंठ जिसका (शिवजी) = बहुव्रीहि समास

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📈 Previous Year Cutoff Marks

Bihar Police Constable 2023 Cutoff (Category-wise)

Category	Cutoff Marks (out of 150)
General	95-100
BC	88-93
EBC	85-90
SC	78-83
ST	72-77

Bihar Police Constable 2026 Expected Cutoff

Category	Expected Cutoff
General	100-105
BC	92-97
EBC	88-93
SC	82-87
ST	75-80

Note: Cutoff depends on vacancy, difficulty level, and number of candidates.

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📅 3-Month Preparation Strategy

Month 1: Foundation Phase

Week 1-2: General Hindi

• व्याकरण के नियम
• मुहावरे और अलंकार
• अपठित गद्यांश
• Daily practice: 30 questions

Week 3-4: General Science

• Physics basics
• Chemistry fundamentals
• Biology concepts
• Computer basics

Month 2: Core Subjects

Week 1-2: Mathematics

• Number System, Percentage, Ratio
• Profit-Loss, SI-CI
• Time-Work, Time-Distance
• Practice 40 questions daily

Week 3-4: General Studies

• History of India and Bihar
• Geography (Indian and Bihar)
• Polity and Constitution
• Current Affairs (6 months)

Month 3: Revision & Practice

Week 1-2: Mock Tests

• Full-length mocks daily
• Previous year papers (2018-2024)
• Time management practice

Week 3-4: Final Preparation

• Revision notes review
• Physical training for running
• Weak area focus

Daily Schedule:

• 5:00 AM - 6:00 AM: Running Practice
• 7:00 AM - 9:00 AM: General Hindi
• 10:00 AM - 12:00 PM: Mathematics
• 2:00 PM - 4:00 PM: General Studies
• 5:00 PM - 7:00 PM: General Science + Reasoning
• 8:00 PM - 10:00 PM: Mock Test & Analysis

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📚 Best Books and Resources

General Hindi

Book	Publisher
Hindi Vyakaran	Lucent
Samanya Hindi	Arihant
Bihar Police Hindi	Ghatna Chakra

General Studies

Book	Publisher
Lucent's General Knowledge	Lucent
Bihar Ek Parichay	McGraw Hill
Bihar General Knowledge	Arihant

Mathematics

Book	Author	Publisher
Quantitative Aptitude	R.S. Aggarwal	S. Chand
Bihar Police Math	-	Ghatna Chakra

General Science

Book	Publisher
Lucent's General Science	Lucent
NCERT Science (Class 6-10)	NCERT

Online Resources

• Official: csbc.bih.nic.in
• Mock Tests: Testbook, Gradeup, Adda247
• Current Affairs: GK Today, AffairsCloud, Drishti IAS

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❓ Frequently Asked Questions (FAQs)

Q1: क्या Bihar Police Constable में Negative Marking है?

A: हाँ, प्रत्येक गलत उत्तर के लिए 0.20 अंक काटे जाते हैं। सावधानी से प्रश्न हल करें।

Q2: क्या अंतिम वर्ष के छात्र आवेदन कर सकते हैं?

A: हाँ, अंतिम वर्ष/सेमेस्टर के छात्र भी आवेदन कर सकते हैं, लेकिन दस्तावेज़ सत्यापन के समय उन्हें योग्यता प्रमाण पत्र प्रस्तुत करना होगा।

Q3: Physical Test कितना कठिन है?

A: पुरुषों के लिए 1.6 km (1 mile) 6 मिनट में और महिलाओं के लिए 1 km 5 मिनट में। नियमित अभ्यास से यह पूरा किया जा सकता है।

Q4: Final Merit कैसे बनती है?

A: Final Merit List लिखित परीक्षा के अंकों के आधार पर बनती है। Physical Test Qualifying प्रकृति का है।

Q5: क्या अन्य राज्य के उम्मीदवार आवेदन कर सकते हैं?

A: नहीं, Bihar Police Constable केवल बिहार के निवासियों के लिए होता है। अन्य राज्य के उम्मीदवार आवेदन नहीं कर सकते।

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🎯 Final Tips for Success

1. Physical Fitness: रोजाना दौड़ लगाना शुरू करें
2. Hindi Grammar: व्याकरण के नियम अच्छी तरह याद करें
3. Current Affairs: बिहार विशेष समाचारों पर ध्यान दें
4. Practice: नियमित अभ्यास से गति और सटीकता बढ़ेगी
5. Mock Tests: कम से कम 20 फुल लेंथ मॉक लगाएं
6. Revision: संक्षिप्त नोट्स बनाएं
7. Time Management: 150 प्रश्न 2 घंटे में हल करने की क्षमता विकसित करें

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Best wishes for your Bihar Police Constable 2026 preparation!

जय हिंद!

Last Updated: March 2026