Getting arrested does not automatically mean losing freedom until the trial ends. Indian criminal law has always worked on a simple principle: bail is the rule, jail is the exception. With the Bharatiya Nagarik Suraksha Sanhita, 2023 (BNSS) replacing the Code of Criminal Procedure, 1973 (CrPC) from 1 July 2024, this principle has been carried forward, but the process, definitions, and timelines have changed in several important ways.

This guide breaks down bail under Bharatiya Nagarik Suraksha Sanhita in plain language. It covers the legal definition of bail, its different kinds, the rights of undertrial prisoners, anticipatory bail, and a recent Supreme Court clarification on police custody that every accused person, lawyer, and law student should know about.

Bail Under Bharatiya Nagarik Suraksha Sanhita

Bail is one of the most frequently used remedies in criminal law, yet it was never formally defined under the old CrPC. This gap often led to confusion in courts and among litigants. The BNSS fixes this problem by introducing a clear statutory definition, along with structured provisions for undertrial release, anticipatory bail, and custody timelines.

Table of Contents

1. What is Bail?
2. Definition of Bail under Bharatiya Nagarik Suraksha Sanhita
3. Kinds of Bail
4. Bail to Undertrial Prisoners
5. Anticipatory Bail under Bharatiya Nagarik Suraksha Sanhita
6. Extended Police Custody Beyond Initial 15 Days, Not a Reason to Refuse Bail
7. Conclusion
8. Frequently Asked Questions

What is Bail?

In simple terms, bail is the temporary release of a person accused of a crime, granted on the condition that they will appear before the investigating officer or the court whenever required. It is not an acquittal and does not decide guilt or innocence. It only ensures that a person is not kept behind bars while the investigation or trial is still going on, unless there is a strong reason to detain them.

The concept rests on a constitutional foundation. Article 21 of the Constitution of India guarantees the right to life and personal liberty, and courts have repeatedly held that prolonged, unnecessary detention without trial violates this right. Bail, therefore, acts as a balance between two competing interests:

• The right of the accused to personal liberty and a fair defence
• The need of the state to ensure a smooth investigation and the accused’s presence at trial

Definition of Bail under Bharatiya Nagarik Suraksha Sanhita

One of the most practical improvements in the new law is found in Section 2(1)(b) of the BNSS, which finally defines the term “bail” in statute. Earlier, under the CrPC, courts had to rely on judicial precedents to understand what bail actually meant, since the word itself was never explained in the bare act.

Under Section 2 of the BNSS, the key terms are defined as follows:

• Bail: The release of a person accused of, or suspected of, committing an offence from the custody of law, granted on certain conditions imposed by a police officer or a court, upon execution of a bond or a bail bond by that person.
• Bail Bond: An undertaking given for release, along with surety.
• Bond: A personal undertaking given for release without surety.

This clarity matters more than it may first appear. When key legal terms are defined in the statute itself, it reduces litigation over interpretation, speeds up decision-making at the trial court and police station level, and gives ordinary citizens a clearer understanding of their rights when arrested.

Kinds of Bail

The BNSS does not use a single bail mechanism. Depending on the stage of the case and the nature of the offence, an accused person can approach the court through different routes. Broadly, bail under the BNSS can be classified into the following kinds:

1. Regular Bail: Granted to a person who has already been arrested and is in judicial or police custody. It is usually sought under Sections 480 and 483 of the BNSS after arrest, when the accused wants release pending investigation or trial.
2. Anticipatory Bail: A pre-arrest remedy under Section 482 of the BNSS, sought by a person who has a reasonable apprehension of being arrested for a non-bailable offence. This allows a person to seek protection before the police actually make an arrest.
3. Interim Bail: A short-term, temporary bail granted while a regular or anticipatory bail application is still pending before the court. It gives immediate relief until the main application is decided.
4. Default Bail (Statutory Bail): Available under Section 187(3) of the BNSS when the police fail to complete the investigation and file the chargesheet within the prescribed period, generally 60 or 90 days depending on the offence. This is a right, not a discretionary relief.
5. Station Bail: Granted directly at the police station under Section 478 of the BNSS by the Station House Officer, without the need to produce the accused before a magistrate, in cases involving bailable offences.
6. Bail for Undertrial Prisoners: A special category under Section 479 of the BNSS for individuals who have already spent a significant portion of the maximum possible sentence in custody without their trial concluding.

Each of these categories serves a distinct purpose, and choosing the right one depends heavily on the stage of arrest, the type of offence, and how long the accused has already been in custody.

Bail to Undertrial Prisoners

India’s prisons have long struggled with overcrowding, largely because a huge share of inmates are undertrials, people who have not been convicted of anything but remain locked up while their case drags on. Section 479 of the BNSS was drafted specifically to address this problem, replacing the earlier Section 436A of the CrPC with a more detailed framework.

Under Section 479(1) of the BNSS, the rules work like this:

• If a person has undergone detention for a period extending up to one half of the maximum term of imprisonment prescribed for the offence, they are entitled to be released on bail. This does not apply to offences punishable with death or life imprisonment.
• If the person is a first-time offender, meaning they have never been convicted of any offence in the past, the threshold is reduced to just one third of the maximum sentence. This is a new addition compared to the old CrPC, and it is a meaningful benefit for individuals with no prior criminal record.
• No undertrial can be kept in custody beyond the maximum period of imprisonment prescribed for the alleged offence, regardless of the stage of trial.

There are, however, two important restrictions to keep in mind:

• Section 479(2) bars this benefit if the person is facing investigation, inquiry, or trial in more than one offence or multiple cases. This exclusion did not exist under the old Section 436A and has been criticised by legal experts, since undertrials with multiple pending cases, sometimes minor or overlapping ones, can be denied this relief entirely.
• The court retains discretion to order continued detention beyond the prescribed period if it records specific reasons in writing after hearing the Public Prosecutor.

The provision also places a proactive duty on jail authorities. The Superintendent of Jail is required to apply to the court, in writing, as soon as an undertrial completes the eligible period of detention, rather than waiting for the prisoner or their lawyer to file an application. The Supreme Court has directed that Section 479 applies retrospectively, meaning it benefits undertrials whose cases began even before the BNSS came into force on 1 July 2024.

Anticipatory Bail under Bharatiya Nagarik Suraksha Sanhita

Anticipatory bail is a pre-arrest safeguard for a person who genuinely believes they may be arrested on an accusation of committing a non-bailable offence. Instead of waiting to be taken into custody and then applying for bail, the person can approach the Sessions Court or the High Court in advance.

Under Section 482 of the BNSS, the essential features of anticipatory bail are as follows:

• Who can apply: Any person who has reason to believe that they may be arrested for a non-bailable offence, even before an FIR is registered in some circumstances, or immediately after one is filed.
• Which court: The application can be filed before the Sessions Court or the High Court, not before a Magistrate’s court.
• Conditions that may be imposed: Courts commonly direct the applicant to remain available for interrogation, avoid influencing witnesses or tampering with evidence, not leave the country without permission, and cooperate with the investigation.
• Duration of protection: Unlike the earlier position under the CrPC in some states, the BNSS generally does not impose an automatic time limit on anticipatory bail, though the court can restrict its scope based on the facts of the case.

The purpose of this provision is to prevent misuse of the arrest power to humiliate or pressure individuals, particularly in cases arising from personal or business disputes where the threat of arrest is sometimes used as leverage. At the same time, courts are cautious about granting anticipatory bail in serious offences, and they weigh factors such as the gravity of the accusation, the applicant’s criminal history, the possibility of the applicant fleeing, and the risk of evidence tampering before granting relief.

Extended Police Custody Beyond Initial 15 Days, Not a Reason to Refuse Bail

One of the most debated changes introduced by the BNSS relates to police custody. Under the old CrPC, following the Supreme Court’s ruling in CBI v. Anupam J. Kulkarni (1992), police custody was strictly limited to the first 15 days after arrest. Once that window closed, the accused could only be sent to judicial custody, and the police lost the ability to seek further custodial interrogation, even if new evidence surfaced later.

Section 187 of the BNSS changes this position. It allows the 15 days of police custody to be granted in parts, spread across a wider window rather than only in the first 15 days:

• For offences punishable with less than 10 years of imprisonment, police custody of up to 15 days (in one stretch or in parts) can be sought at any point within the first 40 days of the investigation.
• For offences punishable with 10 years or more, life imprisonment, or death, this window extends to the first 60 days.
• If the chargesheet is not filed within 60 days (for offences punishable with less than 10 years) or 90 days (for offences punishable with death, life imprisonment, or imprisonment of 10 years or more), the accused acquires a statutory right to default bail under Section 187(3), provided they are willing to furnish bail.

This flexibility has been the subject of significant judicial clarification. In a 2025 ruling, the Supreme Court confirmed that for offences punishable with imprisonment up to 10 years, police custody can be sought at any point within the first 40 days, not just within the first 15 days, upholding a Karnataka High Court decision on the same point. In a separate 2026 order, the Court went a step further and held that a magistrate cannot place an absolute, non-extendable outer limit on custody that forecloses the investigating agency’s statutory right to seek further police custody under Section 187(2) if the investigation later reveals a genuine need for it.

What this means practically is important for anyone tracking a case:

• The fact that the initial 15 days after arrest have passed does not, by itself, entitle the accused to bail. The police may still seek custodial interrogation later, within the 40 or 60-day window, if genuine investigative grounds exist.
• Courts are expected to examine each custody request on its merits rather than mechanically rejecting it for being “beyond the first 15 days.”
• The accused’s real safeguard remains the outer limit, 60 or 90 days, after which default bail becomes a statutory right if the chargesheet is not filed.

This change reflects a shift from a rigid, time-bound approach to a more flexible one that still keeps overall detention within a fixed statutory ceiling, aiming to balance effective investigation with the accused’s right to timely release.

Conclusion

Bail under Bharatiya Nagarik Suraksha Sanhita reflects a genuine attempt to modernise India’s criminal procedure while keeping personal liberty at the centre of the framework. The statutory definition of bail, the introduction of the one-third rule for first-time undertrial offenders, a clearly structured anticipatory bail process, and a more flexible but still time-bound approach to police custody all point toward a system trying to reduce arbitrary detention.

At the same time, certain provisions, such as the exclusion of undertrials facing multiple cases from relief under Section 479, continue to draw criticism from legal scholars and practitioners. As courts across the country interpret these new provisions through actual cases, the practical meaning of bail under the BNSS will keep evolving. Anyone facing arrest, or advising someone who is, should stay updated on the latest judicial interpretations of Sections 187, 478, 479, 480, and 482 of the BNSS, since these are the provisions shaping bail outcomes in 2026 and beyond.

If you or someone you know is dealing with a bail matter under the BNSS, consulting a criminal lawyer who is familiar with the latest Supreme Court and High Court rulings on these sections is strongly recommended, since outcomes often depend on how a particular court has interpreted the new provisions in recent months.

Frequently Asked Questions

What is the difference between bail and bail bond under BNSS?

Bail is the release of an accused person from custody, while a bail bond is the written undertaking with surety that the accused executes to secure that release.

Which section defines bail under BNSS?

Bail, bail bond, and bond are defined under Section 2(1)(b) of the Bharatiya Nagarik Suraksha Sanhita, 2023.

Can a first-time offender get bail faster than others under BNSS?

Yes, first-time offenders can seek release on bond after undergoing one-third of the maximum sentence, instead of the general one-half threshold under Section 479.

Is anticipatory bail available for all offences under BNSS?

Anticipatory bail under Section 482 applies to non-bailable offences, and courts assess the gravity of the offence before granting it.

Does completing 15 days of police custody automatically entitle the accused to bail?

No, the Supreme Court has clarified that police custody can be sought again within the 40 or 60-day window under Section 187, so bail is not automatic after 15 days.

What is default bail under BNSS?

Default bail, also called statutory bail, is granted under Section 187(3) if the police fail to file the chargesheet within 60 or 90 days, depending on the offence.

Can an undertrial with multiple pending cases claim bail under Section 479?

No, Section 479(2) specifically excludes undertrials facing investigation, inquiry, or trial in more than one case from this relief.

Who applies for release of an eligible undertrial prisoner?

The Superintendent of Jail is required to proactively apply to the court for the release of an undertrial once they become eligible under Section 479.