Prepare for the Bihar Assistant Prosecution Officer / Prosecution Officer Exam 2026 with complete official notification details, updated syllabus, exam scheme, important dates, eligibility, BNS, BNSS, BSA, preparation strategy and expert guidance by Doon Law Mentor.
The Bihar Public Service Commission (BPSC) has released the official notification for Bihar APO / Prosecution Officer Exam 2026 under Advertisement No. 13/2026 for recruitment to 300 posts under the Home Department, Prosecution Directorate, Government of Bihar.
If your goal is to become a Prosecution Officer / Assistant Prosecution Officer in Bihar, this page will help you understand the complete exam structure — including important dates, vacancies, eligibility, age limit, prelims pattern, mains syllabus, interview, final selection process and preparation strategy.
Doon Law Mentor is Trusted legal education platform for Judiciary, APO and law exam aspirants.
The official BPSC APO 2026 notification was issued under Advertisement No. 13/2026, dated 25.02.2026. The online application process started from 27.02.2026, and the last date to apply was 20.03.2026.
| Event | Date |
|---|---|
| Official Advertisement | Click Here |
| Online Application Start Date | 27.02.2026 |
| Last Date to Apply Online | 20.03.2026 |
| Age Calculation Date | 01.08.2026 |
| Prelims Exam Date | 15.07.2026 |
| Admit Card Release Date | To be notified by BPSC |
| Mains Exam Date | To be notified by BPSC |
| Interview Date | To be notified by BPSC |
Important Note: Candidates should regularly check official BPSC updates for exam date, admit card, answer key, mains schedule and interview updates.
| Exam Name | Bihar Assistant Prosecution Officer / Prosecution Officer Exam 2026 |
| Popular Name | Bihar APO / BPSC APO |
| Conducting Body | Bihar Public Service Commission |
| Advertisement Number | 13/2026 |
| Advertisement Date | 25.02.2026 |
| Department | Home Department, Prosecution Directorate, Government of Bihar |
| Total Vacancies | 300 |
| Pay Level | Level 9 |
| Selection Process | Preliminary Examination, Main Examination and Interview |
| Educational Qualification | Law Graduate from a recognized university |
| Application Start Date | 27.02.2026 |
| Last Date to Apply | 20.03.2026 |
| Prelims Papers | General Studies and Law |
| Mains Papers | General Studies, Hindi, English, BNS, BSA, BNSS + CPC, Constitutional Law and Other Laws |
| Interview Marks | 100 marks |
| Key Laws | BNS, BSA, BNSS, CPC, Constitution and Other Laws |
| Final Authority | Official BPSC Advertisement No. 13/2026 |
The official notification confirms 300 vacancies, Pay Level 9, law graduate qualification, and a three-stage selection process consisting of Prelims, Mains and Interview.
The Bihar Public Service Commission has released the official notification for the recruitment of Prosecution Officer / Assistant Prosecution Officer under Advertisement No. 13/2026, dated 25.02.2026. This recruitment is for the Bihar Prosecution Service under the Home Department, Prosecution Directorate, Government of Bihar.
The official notification contains important details about:
Important Advice
Every aspirant should read the official notification carefully before applying and before starting preparation.
The Bihar APO Exam 2026 is conducted for recruitment to the post of Assistant Prosecution Officer / Prosecution Officer in Bihar's prosecution service.
A Prosecution Officer plays a very important role in the criminal justice system. The officer assists in prosecution work, studies police papers, examines evidence, prepares criminal cases, represents the State's prosecution interest and helps the court in the administration of justice.
This exam is especially important for:
A serious Bihar APO aspirant must prepare:
DLM Expert Insight
Bihar APO is not just a bare act exam. It is a prosecution-oriented exam where aspirants must understand the law, procedure, evidence, court process, special laws and the practical role of a prosecutor.
The Bihar Public Service Commission (BPSC) conducts the Bihar APO / Prosecution Officer recruitment process.
BPSC is responsible for:
The official notification for Bihar APO 2026 has been issued by the Bihar Public Service Commission under Advertisement No. 13/2026.
As per the official notification, the total number of vacancies is 300. Out of these, 99 posts are reserved for women under 35% horizontal reservation.
| Category | Total Posts | Women Reservation Posts |
|---|---|---|
| Unreserved | 129 | 41 |
| Economically Weaker Section | 29 | 10 |
| Scheduled Caste | 42 | 15 |
| Scheduled Tribe | 07 | 02 |
| Extremely Backward Class | 64 | 22 |
| Backward Class | 25 | 09 |
| Backward Class Women | 04 | 00 |
| Total | 300 | 99 |
The official notification also mentions reservation for:
Important Note: Reservation benefits will be available as per the official notification and applicable Bihar Government rules. Candidates must ensure that they have valid certificates in the prescribed format.
The official notification mentions Pay Level 9 for the post.
The exact salary structure, allowances and service benefits will be governed by applicable Bihar Government rules.
The Bihar APO / Prosecution Officer post is a respected legal government service position. It gives law graduates an opportunity to work in the criminal justice system and serve the State as part of the prosecution machinery.
Eligibility is one of the most important parts of the official notification.
The candidate must be a Law Graduate from a recognized university. The notification also states that, for appointment, candidates having experience as an advocate practicing in court may be given preference.
To apply for Bihar APO 2026, a candidate should generally have:
The notification mentions that candidates having experience as an advocate in court may receive preference for appointment.
DLM Expert Insight
Even if advocacy experience is not mandatory for every candidate, practical understanding of criminal law, court procedure, evidence and prosecution work can be highly useful for both Mains and Interview.
Age will be calculated as on 01.08.2026.
| Category | Age Limit |
|---|---|
| Minimum Age | 21 years |
| Maximum Age for Unreserved Male | 37 years |
| Maximum Age for Backward Class / Extremely Backward Class and Women | 40 years |
| Maximum Age for SC / ST Male and Female | 42 years |
The official notification also provides age relaxation for certain categories as per government rules, including:
Important Advice
Candidates should carefully verify their age, category and relaxation eligibility from the official notification before applying.
The official notification mentions an examination fee of ₹100 for every candidate, along with additional prescribed charges. It also mentions that if Aadhaar number is not mentioned in the online application, an additional ₹200 biometric fee may be payable.
| Event | Date |
|---|---|
| Online Application Start Date | 27.02.2026 |
| Last Date to Apply Online | 20.03.2026 |
Candidates should carefully fill the online application form and ensure that:
Important Warning: Any incorrect claim regarding qualification, reservation, category, age, domicile or documents may create problems during verification or later stages of selection.
The Bihar APO 2026 selection process has three stages.
The Preliminary Examination is objective in nature. It is used for screening candidates for the Mains Examination.
The Main Examination is descriptive in nature. It tests legal knowledge, language ability, analytical writing and understanding of law.
The Interview carries 100 marks. It tests personality, legal awareness, practical understanding, communication and suitability for prosecution service.
Important Point: The Prelims is only a screening test. Final selection depends on performance in Mains and Interview, subject to the rules mentioned in the notification.
The Preliminary Examination has two papers.
| Paper | Subject | Marks |
|---|---|---|
| Paper 1 | General Studies | 100 |
| Paper 2 | Law | 150 |
| Total | 2 Papers | 250 |
The official notification confirms that the Bihar APO Prelims will include General Studies of 100 marks and Law of 150 marks.
DLM Expert Insight
Because there is 1/3 negative marking, Bihar APO Prelims is not only about knowledge. It is also about accuracy, elimination skill and test discipline.
The Prelims syllabus has two parts:
The official notification states that General Studies will include:
The standard of questions will be such that a candidate can answer them without special study.
Aspirants should prepare:
The official Prelims law syllabus includes:
The official notification expressly includes these subjects in the Prelims Law paper.
Aspirants should prepare:
Bihar APO Prelims has objective questions and 1/3 negative marking. This means that simply reading books is not enough.
You need regular test practice to improve:
Doon Law Mentor's Bihar APO Prelims Test Series is designed to help aspirants practice in an exam-focused manner.
This test series is best for:
The official notification provides 8 papers in the Mains Examination. Each paper will be of 3 hours duration.
| Paper | Subject | Marks | Duration |
|---|---|---|---|
| Paper 1 | General Studies | 100 | 3 Hours |
| Paper 2 | Hindi Language | 100 | 3 Hours |
| Paper 3 | English Language | 100 | 3 Hours |
| Paper 4 | Bharatiya Nyaya Sanhita, 2023 | 150 | 3 Hours |
| Paper 5 | Bharatiya Sakshya Adhiniyam, 2023 | 150 | 3 Hours |
| Paper 6 | Bharatiya Nagarik Suraksha Sanhita, 2023 + Civil Procedure Code, 1908 | 150 | 3 Hours |
| Paper 7 | Indian Constitutional Law | 150 | 3 Hours |
| Paper 8 | Other Laws | 150 | 3 Hours |
| Subject | Marks |
|---|---|
| Bharatiya Nagarik Suraksha Sanhita, 2023 | 75 |
| Civil Procedure Code, 1908 | 75 |
| Total | 150 |
Important Note: Mains is the real merit-building stage. It requires deep conceptual clarity, writing practice and proper legal expression.
The Mains syllabus is broad and law-heavy. It includes General Studies, Hindi, English, core criminal laws, CPC, Constitutional Law and Other Laws.
The General Studies paper broadly includes:
Preparation Advice: For Mains GS, aspirants should prepare short, structured and analytical answers. The focus should be on clarity, accuracy and balanced expression.
Hindi Language is a qualifying paper. The official notification states that Hindi paper is intended to test simple Hindi expression and comprehension. The minimum qualifying mark is 30, and marks of this paper will not be counted for merit.
Hindi Preparation Areas:
English Language is also a qualifying paper. The official notification states that English paper is intended to test simple English expression and comprehension. The minimum qualifying mark is 30, and marks of this paper will not be counted for merit.
English Preparation Areas:
DLM Expert Insight
Hindi and English are qualifying papers, but they should not be ignored. If a candidate fails to secure minimum qualifying marks, it can affect qualification.
This is the main substantive criminal law paper.
Aspirants should prepare:
This paper covers evidence law.
Aspirants should prepare:
DLM Expert Insight
Evidence law is very important for prosecution service. A prosecutor must know what can be proved, how it can be proved and how evidence can be legally appreciated by the court.
This paper carries 150 marks, divided between BNSS and CPC.
This paper carries 150 marks.
Aspirants should prepare:
DLM Expert Insight
Constitutional Law is not only important for written marks. It is also important for interview, because questions on fundamental rights, criminal justice, fair trial, arrest, liberty and rule of law may be asked.
The official notification lists the following laws under the Other Laws paper:
Other Laws paper carries 150 marks. Many aspirants focus only on BNS, BNSS and BSA but ignore special laws. This can be a serious mistake.
Aspirants should prepare:
The official notification states that Hindi Language and English Language papers are qualifying in nature. The minimum qualifying marks for both papers are 30 marks each. Marks of these papers will not be counted for final merit.
Many aspirants make the mistake of ignoring qualifying papers. But if you do not secure the minimum qualifying marks, your performance in other papers may not help.
Practice:
Practice:
DLM Expert Insight
Qualifying does not mean unimportant. It means you must clear it safely and confidently.
The interview / personality test carries 100 marks.
Candidates who qualify the Main Examination will be called for interview as per BPSC rules.
The interview may test:
Important Interview Mindset
A Prosecution Officer is not expected to be biased. The true duty of prosecution is not merely to secure conviction. The real duty of prosecution is to assist the court in the administration of justice.
The official notification provides important rules regarding qualifying marks and selection.
| Category | Minimum Qualifying Marks |
|---|---|
| General | 40% |
| Backward Class | 36.5% |
| Extremely Backward Class | 34% |
| SC / ST / Women / PwD | 32% |
Important Advice
Do not prepare only to "pass." Prepare to score high enough to compete in final merit.
Bihar APO 2026 is especially important because the official notification directly includes the new criminal laws:
The Prelims law syllabus mentions old law mapping along with new criminal laws, while Mains expressly includes BNS, BSA and BNSS.
You cannot rely only on old IPC, CrPC and Evidence Act notes.
You must understand:
DLM Expert Insight
Old laws help in conceptual understanding, but Bihar APO 2026 preparation must be updated with BNS, BNSS and BSA.
Bihar APO 2026 requires a balanced strategy. You must prepare Prelims, Mains and Interview together.
Read BPSC Advertisement No. 13/2026 carefully. Understand eligibility, age limit, vacancy, Prelims pattern, Mains papers, qualifying papers, interview, Other Laws, negative marking and minimum qualifying marks.
Prelims has General Studies of 100 marks and Law of 150 marks. Since there is 1/3 negative marking, you must focus on accuracy, speed, revision, question selection, mock tests and wrong answer analysis.
These three laws are central to the exam. Prepare them with bare act reading, concept explanation, section-wise notes, old-to-new mapping, MCQs, mains answer writing and case-based understanding.
CPC and Constitutional Law carry serious weight in Mains. Prepare CPC concepts, important Orders and Sections, constitutional fundamentals, fundamental rights, writs, judicial review and criminal justice-related constitutional protections.
Other Laws carry 150 marks in Mains. Make separate notes for Arms Act, NDPS Act, IT Act, Bihar Prohibition and Excise laws, Bihar Police Act, Prevention of Corruption Act, SC/ST Act and POCSO Act.
Hindi and English are qualifying papers, but you must clear them. Do weekly practice for grammar, comprehension, essay, translation, precis and legal vocabulary.
Do not wait for Prelims result. Practice short answers, long answers, problem-based questions, provision-based answers, case law-based answers, comparative answers and legal reasoning.
Develop clarity on why APO, role of prosecutor, criminal justice system, fair trial, rights of accused, rights of victim, police-prosecution coordination, Bihar-specific issues, new criminal laws and ethics of prosecution.
Focus on current affairs, General Science, Indian History and Culture, Indian Polity, Indian Geography, Static GK and Bihar-related facts where relevant.
Focus on offence ingredients, mens rea, general exceptions, abetment, conspiracy, offences against body, offences against property, women-related offences and public justice offences.
Focus on relevancy, admissions, confessions, dying declaration, documentary evidence, electronic evidence, burden of proof and witness examination.
Focus on arrest, investigation, cognizance, trial, bail, judgment, appeal and revision.
Focus on jurisdiction, res judicata, parties, pleadings, summons, trial, judgment, decree, execution, appeals and injunctions.
Focus on Fundamental Rights, DPSP, Fundamental Duties, writs, judiciary, federalism, emergency, basic structure and judicial review.
Focus on definitions, offences, punishments, procedure, bail, presumptions, special courts and authorities.
Focus on qualifying marks, grammar, comprehension, essay, translation and simple writing.
If you are serious about Bihar APO 2026, you need a structured preparation system.
Doon Law Mentor's Bihar APO Mastery Course (Bilingual) is designed for aspirants who want complete preparation based on the official BPSC APO 2026 notification.
This course is best for:
Because Bihar APO 2026 is not a small syllabus exam. It has Prelims, Mains, Interview, qualifying papers, new criminal laws, CPC, Constitution and Other Laws.
You need a roadmap. You need revision. You need tests. You need mentorship.
Before joining the complete course, you can watch our free Bihar APO strategy videos.
These videos will help you understand the official notification, syllabus, exam pattern, preparation roadmap and common mistakes.
Bihar APO 2026 Notification Explained
Bihar APO 2026 Syllabus and Exam Pattern
Bihar APO Prelims Strategy
Bihar APO Mains Strategy
How to Prepare BNS for Bihar APO
How to Prepare BNSS and BSA
Bihar APO Other Laws Strategy
Bihar APO Interview Preparation
Free videos are helpful for direction. But selection requires structured preparation, test practice, answer writing, revision and mentorship.
If you are serious about Bihar APO 2026, join the complete Bihar APO Mastery Course and start regular test practice with Bihar APO Prelims Test Series.
Want a clear preparation roadmap?
Download our free Bihar APO 2026 Strategy Checklist PDF and understand exactly what to study, how to study and how to plan your preparation.
Doon Law Mentor is led by Ashish Jain Sir, Founder and Chief Educator.
Ashish Jain Sir is known for simplifying complex legal provisions and helping law students understand bare acts, landmark judgments, exam strategy and practical legal concepts in a clear and structured manner.
At Doon Law Mentor, the focus is not only on completing the syllabus. The focus is on building legal clarity, exam confidence and practical understanding.
Choosing the right guidance can save months of confusion.
Doon Law Mentor's Bihar APO preparation system is designed for serious aspirants who want official-notification-based, updated and exam-focused preparation.
We believe that legal education should be simple, structured and result-oriented.
Aspirants should not feel lost between bare acts, old notes, random PDFs and scattered videos. They need a clear roadmap and disciplined preparation system.
That is exactly what Doon Law Mentor provides.
Most aspirants do not fail because they are not hardworking.
They fail because their preparation is not structured.
Preparing only from old IPC, CrPC and Evidence Act notes
Ignoring BNS, BNSS and BSA
Not practicing objective questions for Prelims
Ignoring 1/3 negative marking
Ignoring Hindi and English qualifying papers
Leaving Other Laws for the end
Not preparing CPC properly
Ignoring Constitutional Law
Starting Mains preparation after Prelims result
Depending only on random YouTube videos
Not taking mock tests
Not analyzing wrong answers
Not making revision notes
Not preparing for interview from the beginning
Studying without a weekly plan
Doon Law Mentor's Bihar APO preparation system gives you:
Aspirants should divide preparation into four stages.
In this stage, focus on building basic understanding.
Study:
In this stage, read laws and understand concepts.
Focus on:
In this stage, start exam-oriented practice.
Do:
In this stage, revise and improve accuracy.
Do:
Final Advice
Do not wait for the exam date to start preparation. The notification is already out. The syllabus is wide. The competition will be serious. Start now.
The interview is the final personality test. It checks whether the candidate is suitable for the role of Prosecution Officer / Assistant Prosecution Officer.
Aspirants should prepare:
Important Interview Mindset
A Prosecution Officer must be fair, balanced, legally sound and responsible.
The role of prosecution is not merely to secure conviction. The true role of prosecution is to assist the court in the administration of justice.
"Doon Law Mentor explains complex law in a very simple and exam-focused manner. The structured approach makes preparation much easier."
"The focus on bare acts, concepts, updated criminal laws and exam strategy helps students understand how to prepare seriously for APO and judiciary exams."
"The combination of law, strategy, revision and mentorship makes Doon Law Mentor very useful for serious law aspirants."
Bihar APO Exam 2026 is conducted by the Bihar Public Service Commission for recruitment to the post of Prosecution Officer / Assistant Prosecution Officer under the Home Department, Prosecution Directorate, Government of Bihar.
Yes. BPSC has released Advertisement No. 13/2026, dated 25.02.2026, for 300 posts.
There are 300 vacancies in Bihar APO 2026.
The last date to apply online is 20.03.2026.
The online application process started on 27.02.2026.
The candidate must be a Law Graduate from a recognized university.
The minimum age is 21 years. The maximum age is 37 years for Unreserved Male, 40 years for BC/EBC and Women, and 42 years for SC/ST candidates, as per the notification.
The selection process includes Preliminary Examination, Main Examination and Interview.
The Prelims has two papers: General Studies of 100 marks and Law of 150 marks.
Yes. There is 1/3 negative marking for wrong answers in Prelims.
The Prelims syllabus includes General Studies and Law. Law includes IPC/BNS, Evidence/BSA, CrPC/BNSS, CPC 1908 and basic knowledge of Indian Constitution.
The Mains includes General Studies, Hindi, English, Bharatiya Nyaya Sanhita, Bharatiya Sakshya Adhiniyam, BNSS + CPC, Indian Constitutional Law and Other Laws.
Yes. Hindi and English are qualifying papers with minimum qualifying marks of 30 marks each.
The interview carries 100 marks.
The official notification includes Bharatiya Nyaya Sanhita, 2023, while also referring to old law mapping in Prelims. Candidates should prepare updated BNS along with conceptual mapping from IPC.
The official notification includes Bharatiya Nagarik Suraksha Sanhita, 2023. Candidates should prepare BNSS along with old CrPC conceptual mapping.
The official notification includes Bharatiya Sakshya Adhiniyam, 2023. Candidates should prepare BSA along with Evidence Act conceptual mapping.
Other Laws include Arms Act, Explosive Substances Act, NDPS Act, IT Act Chapter 11, Bihar Prohibition and Excise laws, Bihar Police Act, Prevention of Corruption Act, SC/ST Act and POCSO Act.
No. Prelims is screening in nature and marks are not counted for final merit.
Yes. Doon Law Mentor offers Bihar APO Mastery Course (Bilingual) for complete Prelims, Mains and Interview preparation.
Yes. Doon Law Mentor offers Bihar APO Prelims Test Series for objective practice, speed, accuracy and exam readiness.
Start with the official notification, then prepare GS, BNS, BSA, BNSS, CPC, Constitution and Other Laws with MCQs, mains answer writing and regular revision.
Yes. With 300 official vacancies, Bihar APO 2026 is a major opportunity for law graduates interested in prosecution service.
If you are serious about becoming a Prosecution Officer / Assistant Prosecution Officer in Bihar, this is the right time to begin structured preparation.
The notification is out.
The vacancies are clear.
The syllabus is wide.
The law has changed.
The competition will be serious.
You need:
Doon Law Mentor's Bihar APO Mastery Course (Bilingual) and Bihar APO Prelims Test Series are designed to help you prepare with a complete roadmap.
Your preparation should not be random.
Your preparation should be structured.
Your preparation should be updated.
Your preparation should be exam-focused.
Join Doon Law Mentor and start your Bihar APO 2026 journey today.