If you are preparing for Judiciary, APO, PCS-J, or any state judicial services exam, the Bharatiya Nagarik Suraksha Sanhita (BNSS) 2023 is no longer optional reading. It is one of the highest-weightage subjects in the current exam pattern, and examiners love testing it through short, direct, one-line questions rather than long descriptive ones.

That is exactly what these BNSS one liner notes are built for. Instead of reading through hundreds of pages of bare act language, you get compact, exam-ready statements that are easy to revise the night before your test, easy to recall under exam pressure, and structured chapter by chapter so nothing important slips through.

This guide covers what BNSS is, its structure, chapter-wise one liners, the most-asked CrPC to BNSS section mapping, bail provisions, common mistakes aspirants make, and a dedicated FAQ section for last-minute clarity.

What Is BNSS (Bharatiya Nagarik Suraksha Sanhita)?

The Bharatiya Nagarik Suraksha Sanhita, 2023 is India’s new procedural criminal law. It governs how a criminal case moves from arrest and investigation to trial, judgment, and appeal. BNSS replaced the Code of Criminal Procedure (CrPC), 1973, and came into force on 1 July 2024, alongside the Bharatiya Nyaya Sanhita (BNS) and the Bharatiya Sakshya Adhiniyam (BSA).

The bill was first introduced in the Lok Sabha on 11 August 2023 and received presidential assent on 25 December 2023 as Act No. 46 of 2023. Where the CrPC dealt largely with the substantive offences defined under the IPC, BNSS lays down the entire procedural roadmap, from filing an FIR to executing a sentence, under the new criminal law framework.

BNSS 2023 at a Glance: Key Facts Table

Particulars	BNSS, 2023	CrPC, 1973
Total sections	531	484
Total chapters	39	37
Schedules	2	2
Effective date	1 July 2024	1 April 1974
Act number	Act No. 46 of 2023	Act No. 2 of 1974
FIR filing	Physical, e-FIR and Zero FIR	Physical only
Police custody	15 days spread over 40 or 60 days	15 days within 60/90 days, in one stretch

Why One Liner Notes Are the Smartest Way to Revise BNSS

Judiciary prelims and screening tests are objective in nature. They rarely ask you to explain a section in three paragraphs; they ask which section, which authority, and which timeline. One liner notes match that format directly.

Here is why aspirants across coaching institutes rely on this format:

• They convert dense bare act language into a single, testable fact.
• They support active recall, which strengthens long-term memory far better than passive reading.
• They are ideal for the last 10 to 15 days before an exam, when full notes are too time-consuming.
• They mirror how Previous Year Questions (PYQs) are actually framed.
• They help you spot patterns across sections instead of memorizing them in isolation.

BNSS One Liner Notes: Chapter Wise Quick Revision

Chapter I: Preliminary

• BNSS extends to the whole of India.
• Only Chapters IX, XI, and XII apply to the State of Nagaland and tribal areas, unless the State Government notifies otherwise.
• Definitions under BNSS are provided under Section 2.
• Where a special or local law is in force, it shall prevail over BNSS unless the Sanhita expressly states otherwise, as provided under Section 5.

Chapter II: Constitution of Criminal Courts and Offices

• Constitution of Criminal Courts and offices is dealt with in Chapter II, covering Sections 6 to 25.
• Besides High Courts and courts constituted under other laws, every State shall have Courts of Session and Courts of Judicial Magistrates.
• A Court of Session is established by the State Government for every Sessions Division under Section 8.
• Judges of every Sessions Court are appointed by the High Court.
• Additional Sessions Judges and Assistant Sessions Judges are also appointed by the High Court.
• If the office of Sessions Judge falls vacant, the High Court may authorize an Additional Sessions Judge or the Chief Judicial Magistrate to handle urgent applications.
• Sittings of the Court of Session are held at places specified by the High Court through notification.
• Special Courts of Judicial Magistrates of the First or Second Class are established by the State Government, in consultation with the High Court.

Chapter V: Arrest of Persons

• A police officer must inform the arrested person of the grounds of arrest without unnecessary delay.
• An arrested person must be produced before a Magistrate within 24 hours, excluding travel time, as per Section 58.
• As a rule, a woman cannot be arrested after sunset and before sunrise, except in exceptional circumstances with prior permission.
• Handcuffing is permitted only in specific situations involving habitual or dangerous offenders, and must be recorded in writing.

Chapter XII and XIII: FIR, Information to Police and Investigation

• Registration of the First Information Report (FIR), earlier under Section 154 CrPC, now falls under Section 173 BNSS.
• BNSS introduces Zero FIR, allowing registration of an FIR at any police station regardless of jurisdiction.
• Electronic filing of FIR, known as e-FIR, is formally recognized for the first time.
• For offences punishable with three years or more but less than seven years, a preliminary inquiry may be conducted before registering an FIR, with the permission of a senior officer.
• Forensic investigation is mandatory for offences punishable with seven years imprisonment or more.
• Search and seizure proceedings must be recorded through audio-video means wherever possible.
• Statements recorded before a Magistrate, earlier under Section 164 CrPC, now fall under Section 183 BNSS.

Chapter XIV: Custody and Remand

• Procedure when investigation cannot be completed within 24 hours is governed by Section 187 BNSS, corresponding to Section 167 CrPC.
• Police custody up to 15 days can now be sought in parts, spread across the first 40 days or 60 days of the investigation period, instead of only at the start.
• The 40-day window applies to offences with a maximum sentence of less than 10 years; the 60-day window applies to offences punishable with 10 years, life imprisonment, or death.
• On expiry of the 60 or 90 day investigation period without a chargesheet, the accused becomes entitled to default bail under Section 187(3).

Bail Provisions Under BNSS: Chapter XXXV, Sections 478 to 483

Provision	Governing Section	Old CrPC Section
Bail in bailable offences	Section 478	Section 436
Maximum detention period of an undertrial prisoner	Section 479	Section 436A
Bail in non-bailable offences	Section 480	Section 437
Bail bond for appearance before appellate court	Section 481	Section 437-A
Anticipatory bail	Section 482	Section 438
Special powers of High Court or Sessions Court regarding bail	Section 483	Section 439
Default bail on expiry of investigation timeline	Section 187(3)	Section 167(2)

• Under Section 479, a first-time offender who has undergone detention equal to one-third of the maximum sentence for the offence must be released on bond.
• A normal undertrial who has undergone detention equal to one-half of the maximum sentence must be released on bail.
• The Section 479 benefit does not apply to persons accused of offences punishable with death or life imprisonment, or where multiple cases are pending against the accused.
• The jail superintendent is legally required to move a bail application on behalf of an eligible undertrial prisoner, even if the prisoner cannot afford a lawyer.

Other Frequently Tested One Liners

• Maintenance of wife, children, and parents, earlier under Section 125 CrPC, now falls under Section 144 BNSS.
• Prohibitory orders in urgent cases of nuisance, earlier under Section 144 CrPC, are now covered under Section 163 BNSS.
• Summons to produce a document or electronic device, earlier under Section 91 CrPC, now falls under Section 94 BNSS.
• The police report on completion of investigation, popularly called the chargesheet, earlier under Section 173 CrPC, now falls under Section 193 BNSS.
• The inherent powers of the High Court, earlier under Section 482 CrPC, now fall under Section 528 BNSS, and continue to follow the same triple-test principle laid down in judicial precedent.
• Personal attendance of the accused through audio-video means during trial is expressly recognized under Section 355 BNSS.
• Community service has been introduced as a new form of reformative punishment for minor offences.
• Trial in absentia is now permitted for proclaimed offenders under specific conditions.

Major Reforms Introduced by BNSS: Quick Recall List

• Zero FIR and e-FIR for faster, jurisdiction-free registration of complaints.
• Mandatory forensic investigation for serious offences carrying seven years or more imprisonment.
• Time-bound investigation, with a general 90-day chargesheet deadline in most cases.
• Audio-video recording of search, seizure, and certain statements.
• Digital and electronic modes for summons, warrants, and service of documents.
• Victim’s right to be informed about the progress of investigation.
• Witness protection scheme made mandatory for every State.
• Community service recognized as an alternative punishment for petty offences.

How to Memorize BNSS One Liner Notes Effectively

• Always link the new BNSS section with its old CrPC counterpart; comparative memory sticks longer than isolated numbers.
• Revise chapter-wise rather than section-wise; the logical sequence of arrest, investigation, trial, and appeal helps you predict what comes next.
• Attempt a short quiz or mock MCQ set right after every revision round to convert recognition into recall.
• Use mnemonic pegs for numbers that repeat across topics, such as 173 for FIR and 187 for custody.
• Revisit the bail and custody chapter separately, since it carries the highest weightage in recent judiciary papers.
• Track any amendment or notification, since procedural laws are updated more frequently than substantive ones.

Common Mistakes Aspirants Make While Studying BNSS

• Memorizing only the new section number without understanding the underlying change from CrPC.
• Skipping the schedules and forms, which are occasionally tested in objective papers.
• Treating BNSS in isolation without connecting it to BNS and BSA, even though many questions test all three together.
• Relying only on one liner notes without ever reading the actual bare act language at least once.
• Ignoring landmark judgments that continue to apply under the BNSS framework.

Frequently Asked Questions

What is BNSS in simple terms?

BNSS is India’s new code of criminal procedure that replaced the CrPC, 1973, governing arrest, investigation, bail, and trial from 1 July 2024.

How many sections and chapters does BNSS have?

BNSS has 531 sections spread across 39 chapters, compared to 484 sections in 37 chapters under the CrPC.

Which section of BNSS deals with FIR registration?

FIR registration is dealt with under Section 173 BNSS, which corresponds to Section 154 of the old CrPC.

What is the new provision for undertrial prisoners under BNSS?

Section 479 BNSS allows release of first-time offenders after one-third detention and other undertrials after half of the maximum sentence, except in life imprisonment or death penalty cases.

Which section replaced the inherent powers under Section 482 CrPC?

Section 528 BNSS now governs the inherent powers of the High Court, earlier available under Section 482 CrPC.

Is BNSS applicable to cases registered before 1 July 2024?

Ongoing investigations and trials that began under the CrPC generally continue under the old law, while new cases registered on or after 1 July 2024 follow BNSS.

Are BNSS one liner notes enough for judiciary prelims?

One liner notes are excellent for quick revision and objective recall, but they should be paired with a reading of the bare act and important case laws for complete preparation.

What is the maximum period for police custody under BNSS?

Police custody can extend up to 15 days, but it can now be sought in parts spread over the first 40 or 60 days of the investigation period.

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Conclusion

BNSS has reshaped nearly every stage of India’s criminal procedure, and judiciary exams are testing it in growing depth every attempt cycle. These one liner notes are designed to give you fast, accurate recall of the sections, timelines, and reforms that examiners return to again and again. Use them for daily revision, pair them with the bare act for deeper understanding, and revisit the bail and custody chapters most often, since they remain the most exam-heavy part of BNSS. Consistent, structured revision with one liners like these is one of the most reliable ways to walk into your exam hall with confidence.