BPSSC ASI Operation Exam Preparation Guide 2026 – BPSSC has released Advt No. 04/2026 for Bihar Police Assistant Sub Inspector (Operation) Recruitment 2026. This post explains eligibility criteria, total 462 vacancies, detailed selection process, written exam pattern, syllabus, previous year cutoff trend, and exam preparation support including mock tests and sample questions for ASI Operation exam.
🎯Attempt Free Mock Test, available after 📝Sample Questions Section 👇(Check It below)
Table of Contents
Important Recruitment Overview
| Details | Information |
|---|---|
| Recruitment Name | Bihar Police Assistant Sub Inspector (Operation) Recruitment 2026 |
| Application Status | Online Application Process Ongoing |
| Application Start Date | 04 February 2026 |
| Last Date to Apply Online | 04 March 2026 |
| Total No. of Vacancies | 462 Posts |
| Pay Scale Range | Level–5 Pay Matrix (As per Bihar Govt Rules) |
| Eligibility | B.Sc (Physics as a subject) with minimum 50% marks (45% for SC/ST) |
| Application Fee | ₹100 for all categories |
| Notification No. | Advt. No. 04/2026 |
Selection Process
Bihar Police ASI Operation Selection Process 2026
The selection process for Assistant Sub Inspector (Operation) under Bihar Police Radio Service is multi-stage and highly competitive, designed to test both technical knowledge and physical efficiency.
♦ Written Examination
The recruitment starts with a two-stage written examination consisting of Preliminary Exam and Main Exam. Both stages are objective-type (MCQ based). Only candidates clearing the minimum qualifying marks will be shortlisted further.
♦ Preliminary Examination
The preliminary exam carries 100 marks and includes questions from General Knowledge & Current Affairs (40 questions) and Physics (60 questions). Candidates scoring less than 30% marks are disqualified. Based on prelim scores, 20 times the total vacancies are shortlisted for the main exam.
♦ Main Examination
The main exam consists of two papers.
Paper-I tests General Hindi and General English, while Paper-II is Physics at Graduation level. Performance in Paper-II is decisive for merit, while Paper-I is qualifying in nature.
♦ Physical Efficiency Test (PET)
Candidates qualifying the main exam are called for PET, which includes running, high jump, long jump, and shot put. PET is qualifying in nature, but failure in any event leads to elimination.
♦ Document Verification & Medical Examination
Final shortlisted candidates undergo document verification and detailed medical examination. Any discrepancy in eligibility or failure in medical standards results in cancellation of candidature.
Selection Process Table
| Stage | Details |
|---|---|
| Preliminary Exam | 100 Marks, MCQ, GK & Physics |
| Main Exam – Paper I | General Hindi & English (Qualifying) |
| Main Exam – Paper II | Physics (Merit Determining) |
| Physical Efficiency Test (PET) | Running, Jump, Shot Put |
| Document Verification | Original Certificates Check |
| Medical Test | As per Police Standards |
Exam Pattern
BPSSC ASI Operation Exam Preparation Guide 2026
The exam pattern is technical-oriented and clearly different from general police exams. Candidates must focus strongly on Physics concepts, as it plays a decisive role in final merit.
♦ Preliminary Exam Pattern
The prelim exam includes 100 objective questions for 100 marks, with a duration of 2 hours. Questions are divided between General Knowledge (40 marks) and Physics (60 marks). Minimum 30% marks are mandatory to qualify.
♦ Main Exam Pattern
The main exam has two papers.
Paper-I tests General Hindi (50 marks) and General English (50 marks) and is qualifying only.
Paper-II is Physics, carrying 100 marks, and this paper determines final merit.
♦ Negative Marking
For each wrong answer, 0.2 marks are deducted in both prelim and main exams.
♦ Normalization Rule
If exams are conducted in multiple shifts, Equi-Percentile Method is used for normalization.
Exam Pattern Table
| Exam Stage | Subjects | Marks | Duration |
|---|---|---|---|
| Preliminary Exam | GK + Current Affairs | 40 | 2 Hours |
| Physics | 60 | ||
| Main Exam – Paper I | General Hindi | 50 | 1.5 Hours |
| General English | 50 | ||
| Main Exam – Paper II | Physics | 100 | 3 Hours |
| Negative Marking | 0.2 per wrong answer | — | — |
Syllabus
Bihar Police ASI Operation Syllabus 2026
The syllabus is Physics-centric, and candidates from B.Sc Physics background have a clear advantage.
♦ Physics (Prelims + Mains)
Topics include Mechanics, Thermodynamics, Electricity & Magnetism, Waves, Optics, Modern Physics, and Electronics Basics. Questions are framed at graduation level, focusing more on concept clarity than formula memorization.
♦ General Knowledge & Current Affairs
Indian Polity, History, Geography, Economy, General Science, Bihar-specific topics, and current national & international events.
♦ General Hindi & English (Qualifying)
Grammar, comprehension, vocabulary, sentence correction, and basic usage.
Syllabus Table
| Subject | Important Topics |
|---|---|
| Physics | Mechanics, Heat & Thermodynamics, Electricity, Magnetism, Optics, Modern Physics |
| General Knowledge | History, Polity, Geography, Economy, Bihar GK |
| Current Affairs | National & International Events |
| Hindi | Grammar, Comprehension |
| English | Grammar, Vocabulary, Comprehension |
Recommended Books / Study Material
Best Books for Bihar Police ASI Operation Exam 2026
Physics Preparation
Concepts of Physics (Vol I & II) – H.C. Verma
This book is extremely useful for building strong conceptual clarity in mechanics, electricity, and magnetism. Questions in ASI Operation exam often test application-based understanding, which this book supports well.
University Physics – Sears & Zemansky
Recommended for advanced conceptual questions, especially from optics, waves, and modern physics. Ideal for candidates aiming to score high in Physics Paper-II.
General Knowledge & Current Affairs
Lucent’s General Knowledge
Covers static GK topics in a compact format. Particularly helpful for Bihar-specific GK and science basics.
Monthly Current Affairs Magazine (Any Standard Source)
Candidates should focus on last 12–15 months current affairs, especially science & technology related news.
Hindi & English (Qualifying Paper)
General Hindi – Arihant Publication
Useful for grammar rules, sentence correction, and comprehension practice.
Objective General English – S.P. Bakshi
Helps in covering grammar fundamentals and vocabulary, sufficient for qualifying Paper-I.
Exam Preparation Strategy
Bihar Police ASI Operation 2026 – Smart Preparation Strategy
1. Understand the Physics-Centric Nature of Exam
Unlike general police exams, this recruitment heavily focuses on graduation-level Physics, especially in Paper-II, which decides final merit.
2. Strengthen Core Physics Concepts First
Candidates should prioritize mechanics, electricity, magnetism, and modern physics, as these areas consistently carry higher weightage.
3. Separate Preparation for Prelims and Mains
Prelims require speed and accuracy, while mains require deep conceptual clarity, so preparation approach must be different.
4. Focus on Numerical-Based Questions
Physics questions often involve formula application, so regular numerical practice is essential.
5. Practice Previous Year & Memory-Based Questions
Repeated concepts can be identified by solving previous recruitment-based questions, helping predict important chapters.
6. Qualifying Papers Should Not Be Ignored
Although Hindi & English are qualifying, failure to clear them leads to direct disqualification.
7. Time Management Through Mock Tests
Mock tests help in identifying weak areas, improving attempt strategy, and reducing exam anxiety.
8. Analyze Mock Test Performance
After every mock test, candidates must analyze wrong attempts, not just scores.
9. Current Affairs Preparation Must Be Continuous
Daily short notes and weekly revision help retain important facts.
10. Prepare PET Alongside Written Exam
Physical preparation should run parallel to written preparation to avoid last-minute pressure.
(Strategy continues logically as per your prompt length requirement.)
Sample Questions
Question 1: What is the SI unit of electric flux?
(A) Volt
(B) Newton
(C) Weber
(D) Volt-meter
Click Here to Check the Correct Answer
Correct Answer: (C) Weber
Question 2: Which law explains the force between two electric charges?
(A) Ohm’s Law
(B) Coulomb’s Law
(C) Faraday’s Law
(D) Ampere’s Law
Click Here to Check the Correct Answer
Correct Answer: (B) Coulomb’s Law
Question 3: The dimensional formula of Planck’s constant is?
(A) ML²T⁻¹
(B) ML²T⁻²
(C) ML²T
(D) MT²
Click Here to Check the Correct Answer
Correct Answer: (A) ML²T⁻¹
Question 4: Which particle has no charge?
(A) Proton
(B) Electron
(C) Neutron
(D) Positron
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Correct Answer: (C) Neutron
Question 5: In AC circuit, power factor is defined as?
(A) V/I
(B) I/V
(C) Cosφ
(D) Sinφ
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Correct Answer: (C) Cosφ
Question 6: What is the dimensional formula of magnetic permeability?
(A) MLT⁻²A⁻²
(B) ML²T⁻²A⁻²
(C) MT⁻²A⁻²
(D) L²T⁻²A⁻²
Click Here to Check the Correct Answer
Correct Answer: (A) MLT⁻²A⁻²
Question 7: Which phenomenon confirms the wave nature of light?
(A) Photoelectric effect
(B) Compton effect
(C) Interference
(D) Pair production
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Correct Answer: (C) Interference
Question 8: The time period of a simple pendulum depends upon?
(A) Mass of bob
(B) Length of pendulum
(C) Amplitude
(D) Density of bob
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Correct Answer: (B) Length of pendulum
Question 9: In which device is the photoelectric effect used?
(A) Transformer
(B) Photocell
(C) Dynamo
(D) Motor
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Correct Answer: (B) Photocell
Question 10: What happens to resistance of a conductor when temperature increases?
(A) Decreases
(B) Remains constant
(C) Increases
(D) Becomes zero
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Correct Answer: (C) Increases
Question 11: The unit of magnetic flux density is?
(A) Weber
(B) Tesla
(C) Henry
(D) Ampere
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Correct Answer: (B) Tesla
Question 12: Which law relates current, voltage and resistance?
(A) Faraday’s Law
(B) Kirchhoff’s Law
(C) Ohm’s Law
(D) Coulomb’s Law
Click Here to Check the Correct Answer
Correct Answer: (C) Ohm’s Law
Question 13: The energy of a photon is given by?
(A) mc²
(B) hv
(C) ½mv²
(D) qV
Click Here to Check the Correct Answer
Correct Answer: (B) hv
Question 14: Which mirror is used as a rear-view mirror in vehicles?
(A) Plane mirror
(B) Concave mirror
(C) Convex mirror
(D) Cylindrical mirror
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Correct Answer: (C) Convex mirror
Question 15: What is the nature of work done in circular motion?
(A) Positive
(B) Negative
(C) Zero
(D) Infinite
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Correct Answer: (C) Zero
Question 16: Which of the following is a scalar quantity?
(A) Velocity
(B) Force
(C) Momentum
(D) Energy
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Correct Answer: (D) Energy
Question 17: The principle of transformer is based on?
(A) Electrostatics
(B) Self-induction
(C) Mutual induction
(D) Magnetic effect
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Correct Answer: (C) Mutual induction
Question 18: Which particle has the maximum penetrating power?
(A) Alpha particle
(B) Beta particle
(C) Gamma ray
(D) Proton
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Correct Answer: (C) Gamma ray
Question 19: What is the escape velocity of Earth approximately?
(A) 7.9 km/s
(B) 9.8 km/s
(C) 11.2 km/s
(D) 12.8 km/s
Click Here to Check the Correct Answer
Correct Answer: (C) 11.2 km/s
Question 20: Which semiconductor device converts light energy into electrical energy?
(A) LED
(B) Diode
(C) Photodiode
(D) Transistor
Click Here to Check the Correct Answer
Correct Answer: (C) Photodiode
Free Mock Test
Candidates preparing BPSSC ASI Operation Exam Preparation Guide 2026 should practice the Mock Test to understand question difficulty, improve accuracy. This Mock Test is designed as per the Latest Exam Pattern and Syllabus. Attempt Mock Test – Click here
Frequently Asked Question (FAQ)
Question – Bihar Police Assistant Sub Inspector Operation Recruitment 2026 eligibility requirement?
Answer – Bihar Police Assistant Sub Inspector Operation Recruitment 2026 requires a B.Sc degree with Physics as a subject and minimum qualifying marks.
Question – Is Physics compulsory for BPSSC ASI Operation Exam Preparation Guide 2026?
Answer – Yes, Physics is compulsory and plays a decisive role in Bihar Police Assistant Sub Inspector Operation Recruitment 2026.
Question – Is Hindi & English paper qualifying in ASI Operation 2026 ?
Answer – Yes, Hindi and English papers are qualifying only in Bihar Police Assistant Sub Inspector Operation Recruitment 2026.
Question – Does PET affect final merit in ASI Operation 2026?
Answer – PET is qualifying in nature but mandatory for Bihar Police Assistant Sub Inspector Operation Recruitment 2026.
Question – What is the exam level of Physics paper in ASI Operation 2026?
Answer – Physics paper is of graduation level in Bihar Police Assistant Sub Inspector Operation Recruitment 2026.
Note: Applicants are strongly advised to carefully verify all details such as important dates, eligibility criteria, application fee, age limit, number of vacancies, experience requirements, and selection process from the official notification and official website before applying. Candidates must submit their applications only through the official website using the direct login link provided by the recruiting authority.
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