Criminal Law & Defense in India:
Navigating the New Legal Landscape
under BNS, BNSS & BSA 2023

Introduction: A Historic Paradigm Shift

For over 163 years, the Indian Penal Code of 1860 — conceived under British colonial rule and drafted by Lord Thomas Babington Macaulay — governed the definition and punishment of offences across the Indian subcontinent. Alongside it, the Code of Criminal Procedure, 1973 regulated the procedural machinery of investigation, trial, and sentencing, while the Indian Evidence Act, 1872 dictated the rules of admissibility and proof. Together, these three statutes formed the bedrock of India's criminal justice architecture.

On December 21, 2023, the Parliament of India passed three landmark bills — the Bharatiya Nyaya Sanhita, the Bharatiya Nagarik Suraksha Sanhita, and the Bharatiya Sakshya Adhiniyam — signalling what the Government described as a decolonisation of Indian law and a reorientation of the criminal justice system from punishment-centric to justice-centric. The new laws came into force on July 1, 2024, effectuating the largest simultaneous reform of criminal legislation in independent India's history.

The changes are not merely cosmetic. While a significant portion of the new codes retains provisions from their predecessors — often verbatim — the reforms introduce new offences, restructure sentencing, redefine foundational concepts, expand police powers, alter timelines for investigation and trial, and, critically for the defense bar, modify the protections available to the accused at every stage of the criminal process.

For litigants, accused persons, defense counsel, and citizens at large, understanding this new legal landscape is not optional — it is essential. This paper endeavours to serve as a comprehensive reference guide to that landscape.

Historical Context: The Colonial Inheritance and the Case for Reform

The Indian Penal Code of 1860 was a product of the First Law Commission of India, chaired by Macaulay, and was designed with the colonial objective of maintaining order among a subjugated population. Its language, structure, and underlying philosophy were oriented toward the authority of the State, not the rights of the individual. Crimes like "sedition" (Section 124A), "criminal intimidation," and "waging war against the King" were defined to preserve British authority. Many provisions were never revised after independence and carried the unmistakable imprint of their colonial origins.

By the early 21st century, India's criminal justice system was widely acknowledged to be in crisis. The system was characterised by severe backlogs — with over 40 million cases pending in various courts as of 2023 — a conviction rate among the lowest in the world for cognizable offences, rampant undertrial detention (with undertrials constituting over 75% of the prison population), delays in investigation and trial that often spanned decades, and procedural rules that had not kept pace with technological change or the demands of modern evidence.

Several Law Commission reports, Supreme Court judgments, and expert committee recommendations over the decades had called for comprehensive reform. The 185th Report of the Law Commission (2003), the Malimath Committee Report on Reforms of the Criminal Justice System (2003), and the Justice V.S. Malimath recommendations were among the most prominent. The 2023 legislation, while overdue, emerged from this longstanding pressure for systemic change.

The Bharatiya Nyaya Sanhita, 2023: Substantive Criminal Law Reimagined

3.1 Structure and Overview

The BNS comprises 358 sections, compared to the IPC's 511. The reduction in section count is achieved largely through consolidation — several distinct IPC provisions have been merged, reorganised, or deleted. The BNS retains the general structure of the IPC, opening with general explanations and exceptions before moving into specific offences.

3.2 Key Substantive Changes

Sedition Replaced: One of the most significant — and most debated — changes is the removal of Section 124A IPC (Sedition) and its replacement with Section 152 BNS, which criminalises "acts endangering sovereignty, unity and integrity of India." Critics argue that while the colonial label has been discarded, the scope of the new provision is arguably broader, capturing a wider range of expression. The Supreme Court's interim stay on prosecutions under Section 124A in S.G. Vombatkere v. Union of India (2022) had already signalled the judiciary's unease with the provision.

Organised Crime (Section 111): For the first time in general criminal law, the BNS introduces a comprehensive provision on organised crime, defining it as any continuing unlawful activity by an individual, jointly or as a member or on behalf of a syndicate, by use of violence or threat of violence or intimidation or coercion or other unlawful means. The punishment extends to life imprisonment or death where the offence results in the death of a person. This provision, modelled in part on MCOCA, significantly expands the State's investigative and prosecutorial reach.

Terrorism (Section 113): The BNS incorporates a definition of terrorism — previously governed only by the Unlawful Activities (Prevention) Act, 1967 — within the general criminal code. Section 113 defines terrorist acts broadly and prescribes the death penalty or life imprisonment for acts causing death. Defense practitioners must note that this creates a parallel track of prosecution that may be pursued independently of or in addition to the UAPA.

Murder and Culpable Homicide: The essential distinction between murder (Section 100 BNS, formerly Section 300 IPC) and culpable homicide not amounting to murder (Section 99 BNS) remains intact. However, the BNS introduces a new aggravated form of murder — Section 103(2) — which prescribes the death penalty or life imprisonment for murder committed by a group of five or more persons on the basis of race, caste, community, sex, place of birth, language, or personal belief. This is the codification of what was popularly described as "mob lynching."

Sexual Offences: The framework for sexual offences against women, substantially revamped after the Nirbhaya case through the Criminal Law Amendment Act, 2013, is largely carried over into the BNS with certain enhancements. Section 64 BNS retains the expanded definition of rape introduced in 2013. Section 69 introduces a new offence of sexual intercourse through deceitful means (including false promises of employment or marriage), which carries a ten-year sentence — a provision that, while well-intentioned, raises concerns about evidentiary standards and the potential for misuse.

Community Service: In a significant philosophical departure, the BNS introduces community service as a recognised form of punishment for select minor offences. This reflects global penological trends that emphasise rehabilitation over pure retribution and represents an important new tool for defense counsel in sentencing submissions.

The Bharatiya Nagarik Suraksha Sanhita, 2023: Procedural Reforms

4.1 Investigation and Police Powers

The BNSS introduces substantial changes to the investigation process that defense practitioners must carefully assess. Section 173 BNSS (formerly Section 154 CrPC) mandates that the First Information Report (FIR) be registered electronically and forwarded to the Magistrate electronically within 24 hours — a reform aimed at reducing suppression of FIRs and improving accountability.

Significantly, Section 176 BNSS introduces an obligation for police to conduct a preliminary inquiry before registering an FIR for offences punishable with three to seven years of imprisonment. This inquiry must be completed within 14 days and is designed to filter frivolous complaints — a long-sought reform by the defense bar. However, concerns remain that this discretionary preliminary inquiry may be used to delay registration and protect influential accused persons.

The BNSS also expands the permissible period of police remand. Under Section 187 BNSS, the maximum period of police custody has been extended to 60 days for offences punishable with life imprisonment or death, and 15 days for other offences. Critically, police custody need not be continuous — it may be taken in instalments during the first 40 days of the 60-day period. This is a significant expansion of police power that has drawn sharp criticism from civil liberties organisations and the defense bar, who argue it increases the risk of custodial torture and coerced confessions.

4.2 Trial Procedures and Timelines

The BNSS introduces mandatory timelines for various stages of criminal proceedings — a transformative development in a system notorious for delay. Section 346 BNSS mandates that judgment in a criminal trial be delivered within 45 days of the completion of arguments. While salutary in intent, practitioners have flagged concerns about the capacity of an already burdened judiciary to comply with such timelines, and the risk that compressed timelines may compromise the quality of judicial deliberation.

Section 392 BNSS empowers courts to conduct trials in absentia — that is, to proceed with and conclude a trial even where the accused has absconded — in certain specified circumstances. Once declared a proclaimed offender, the accused may be tried and convicted without being present. This provision addresses long-standing frustrations with cases derailed by absconsion, but raises serious due process concerns regarding the right to a fair trial and effective legal representation.

The BNSS also permits the examination of witnesses through audio-visual electronic means (Section 530), the recording of statements via electronic communication (Section 176), and the filing of charge-sheets electronically. These technology-oriented provisions modernise the procedural machinery and introduce efficiencies, but also demand that the defense bar adapt to new modes of evidence-gathering and examination.

4.3 Victim Rights and the Defense Perspective

The BNSS significantly enhances victim participation in criminal proceedings — a development that, while welcome from a justice standpoint, creates new dynamics for defense counsel. Victims are now entitled to be heard on bail applications (Section 479), to receive copies of charge-sheets (Section 230), and to participate in plea bargaining (Section 289). Section 397 requires courts to notify victims at least three days before a case is listed for hearing. Defense counsel must now account for an active victim presence at multiple stages of the proceeding, which alters traditional litigation strategies.

The Bharatiya Sakshya Adhiniyam, 2023: Evidence Law Transformed

The BSA replaces the Indian Evidence Act, 1872 with 170 sections (compared to the IEA's 167). The foundational structure — relevancy, admission, documentary and oral evidence, presumptions, and privilege — is retained, but several significant changes modernise the evidentiary framework for the digital age.

5.1 Electronic Records and Digital Evidence

The BSA rationalises the evidentiary treatment of electronic records, which had become increasingly complex under the IEA as amended by the Information Technology Act, 2000. Section 63 BSA (replacing Section 65B IEA) introduces a simplified certification requirement for the admissibility of electronic records. In a significant departure from the Supreme Court's strict interpretation in Arjun Panditrao Khotkar v. Kailash Kushanrao Gorantyal (2020), the BSA provides that where the original electronic record is produced before the court, no certificate under the equivalent of Section 65B is required. This removes a frequent technical barrier and will affect the admissibility of a wide range of digital evidence including call records, emails, WhatsApp messages, CCTV footage, and financial transaction logs.

For defense counsel, this change has a dual impact. While it facilitates the admissibility of digital evidence by the prosecution, it also enables the defense to more readily introduce electronic records in support of alibi, character, or contradiction. The challenge for defense practitioners will lie in effective cross-examination of electronic evidence — including raising issues of tampering, metadata, chain of custody, and expert competence.

5.2 Confessions and Admissions

The BSA retains the critical protection that confessions made to police officers are not admissible in evidence (Section 22 BSA, formerly Section 25 IEA). However, the expanded police custody provisions under the BNSS — which permit staggered remand over 40 days — raise renewed concerns about the circumstances in which confessions may be obtained. While the prohibition on police confessions remains, confessions made before a Magistrate and confessions forming part of a joint trial remain admissible, and the defense must be alert to the manner in which these rules interact with the extended remand provisions.

5.3 Secondary Evidence and Documents

Section 57 BSA expands the categories of secondary evidence that may be admitted, including certified copies and electronic reproductions. This has significant implications for property disputes that spill into criminal proceedings, for documentary fraud cases, and for commercial litigation with a criminal dimension. The defense must carefully scrutinise the chain of custody of documentary evidence and the authenticity of certified copies in light of these expanded provisions.

Constitutional Rights of the Accused: The Unshakeable Foundation

While the three new codes introduce sweeping changes, the constitutional rights of the accused — embedded in Parts III and IV of the Constitution — remain the supreme law to which all legislation is subject. An understanding of these rights is the essential starting point for any criminal defense.

6.1 Article 20: Protection Against Conviction for Ex Post Facto Laws

Article 20 of the Constitution provides three fundamental protections: (i) no person shall be convicted of any offence except for violation of a law in force at the time of the commission of the act (prohibition on ex post facto criminalisation); (ii) no person shall be prosecuted and punished for the same offence more than once (double jeopardy protection); and (iii) no person accused of any offence shall be compelled to be a witness against himself (right against self-incrimination). These rights are non-derogable even during a state of emergency under Article 358. The right against self-incrimination, affirmed and expanded by the Supreme Court in Selvi v. State of Karnataka (2010), is of particular importance in the context of emerging forensic technologies including narco-analysis and brain mapping.

6.2 Article 21: Right to Life, Liberty, and a Fair Trial

Article 21's guarantee that no person shall be deprived of his life or personal liberty except according to procedure established by law has, through decades of judicial interpretation, become the most expansive provision in the Constitution. The Supreme Court has read into Article 21 the rights to legal aid (M.H. Hoskot v. State of Maharashtra, 1978), to a speedy trial (Hussainara Khatoon v. State of Bihar, 1979), to be informed of the grounds of arrest (D.K. Basu v. State of West Bengal, 1997), to medical examination upon arrest, to dignity in custody, and to a fair and public hearing. The D.K. Basu guidelines, subsequently incorporated into Section 55A CrPC and now into BNSS, impose obligations on arresting officers that form a critical checklist for defense practitioners examining the legality of an arrest.

6.3 Article 22: Safeguards on Arrest and Detention

Article 22 provides specific procedural protections upon arrest and detention: the right to be informed of the grounds of arrest, the right to consult and be defended by a legal practitioner, and the right to be produced before the nearest Magistrate within 24 hours. These rights operate alongside the statutory protections in the BNSS and must be read conjunctively. Any violation of Article 22 rights may render an arrest illegal and provide grounds for immediate release through a writ of Habeas Corpus under Article 32 or Article 226.

Bail Jurisprudence in India: Evolution and the New Regime

7.1 The Foundational Principle: Bail, Not Jail

The phrase "bail, not jail" — now a staple of Indian criminal law discourse — encapsulates the principle, articulated repeatedly by the Supreme Court, that pre-trial detention is the exception and release on bail is the rule. The liberty of an undertrial accused should not be withheld as a punitive measure or as a substitute for a finding of guilt. This principle has constitutional grounding in Article 21 and finds expression in a long line of Supreme Court decisions from Hussainara Khatoon (1979) through Arnesh Kumar v. State of Bihar (2014) to Satender Kumar Antil v. CBI (2021).

In Satender Kumar Antil, the Supreme Court reiterated that courts must consider bail applications promptly, that default bail under Section 167(2) CrPC (now Section 187 BNSS) is an indefeasible right, and that the purpose of bail is not to punish the accused but to ensure his presence at trial. The Court directed all trial courts, High Courts, and the investigating agencies to follow a set of guidelines that prioritised liberty and the efficient disposal of bail applications.

7.2 Bail Under BNSS, 2023

The BNSS introduces a dedicated chapter on bail (Chapter XXXV) with provisions that both codify existing jurisprudence and introduce new conditions. A significant addition is Section 479 BNSS, which provides for bail as of right for first-time offenders who have served half the maximum sentence for the alleged offence as undertrials. This provision, if liberally applied, could dramatically reduce the undertrial population — one of the most urgent human rights concerns in India's criminal justice system.

Section 480 BNSS (corresponding to Section 436A CrPC) retains the entitlement to bail for an undertrial who has served half the maximum period of imprisonment for the offence, subject to certain exceptions for offences punishable with death. The condition that courts must give reasons in writing for denying bail — now more explicitly stated in the BNSS — is an important accountability mechanism that defense counsel can use to challenge bail denials in appellate proceedings.

7.3 Bail in Special Legislation: PMLA, UAPA, NDPS

A critical dimension of bail jurisprudence in India involves special statutes that impose conditions far more onerous than the general criminal law. The Prevention of Money Laundering Act, 2002 (PMLA), Section 45, requires the court to be satisfied that there are reasonable grounds to believe that the accused is not guilty and that he is not likely to commit any offence while on bail — a reverse presumption that effectively shifts the burden to the accused. Similarly, Section 37 of the Narcotic Drugs and Psychotropic Substances Act, 1985 (NDPS), and Section 43D(5) of the Unlawful Activities (Prevention) Act, 1967 (UAPA), impose analogous twin conditions.

The Supreme Court's jurisprudence on these provisions has evolved significantly. In Vijay Madanlal Choudhary v. Union of India (2022), the Court upheld the constitutional validity of Section 45 PMLA and the broad powers of the Enforcement Directorate, causing significant concern in the defense bar. However, subsequent decisions have sought to moderate the practical impact of this ruling, and the interplay between special legislation and constitutional protections remains one of the most contested areas of Indian criminal law.

Criminal Defense Strategies in the Indian Context

8.1 Pre-Arrest Stage

Effective criminal defense often begins before an arrest is made. At this stage, anticipatory bail under Section 484 BNSS (formerly Section 438 CrPC) is the primary tool available to a person who has reason to believe that he may be arrested. The Supreme Court has repeatedly affirmed the importance of anticipatory bail as a bulwark against political victimisation and frivolous prosecution — see Sushila Aggarwal v. State (NCT of Delhi) (2020), where the Constitution Bench clarified that there is no time limit on anticipatory bail and that it can continue until the end of trial in appropriate cases.

At this stage, defense counsel must also advise the client on the right to remain silent, the impropriety of making voluntary statements to police without legal counsel present, and the importance of preserving all potentially exculpatory evidence including electronic communications, financial records, and witness details.

8.2 Post-Arrest: Custody and Remand

Upon arrest, the most immediate priorities for defense counsel are: (i) ensuring that the accused is produced before a Magistrate within 24 hours; (ii) verifying compliance with the D.K. Basu / Section 35 BNSS requirements including the memo of arrest, information to a family member, and medical examination; (iii) seeking regular bail or opposing police remand at the first production; and (iv) initiating communication with the family and ensuring legal representation is in place.

The expanded police remand provisions under BNSS demand heightened vigilance. Where there are indicators of custodial mistreatment — which the National Crime Records Bureau (NCRB) data consistently shows remains a significant problem in Indian prisons — defense counsel must promptly file a complaint before the Magistrate, seek judicial custody, and if necessary, approach the High Court. The Magistrate's power to examine the accused in camera and to direct medical examination (Section 187(3) BNSS) must be actively invoked.

8.3 Charge and Trial

At the charge stage, defense counsel has the opportunity to seek discharge under Section 250 BNSS (Sessions Court) or Section 262 BNSS (Magistrate's Court). The test for discharge is whether there is a prima facie case — not proof beyond reasonable doubt. The Supreme Court's guidance in Union of India v. Prafulla Kumar Samal (1979) remains authoritative: the Judge must apply his mind to whether the material on record raises a strong suspicion against the accused, and if not, discharge must follow.

During trial, cross-examination remains the most powerful tool in the defense arsenal. The right to cross-examine prosecution witnesses is protected under Section 146 BSA and Article 21. An effective cross-examination can expose inconsistencies, establish bias, challenge the chain of custody of evidence, undermine expert testimony, and introduce reasonable doubt. In cases involving electronic evidence, defense counsel must be equipped to question the methodology of digital forensics, the integrity of metadata, and the qualifications and independence of the prosecution's technical witnesses.

8.4 Sentencing

The BNS's introduction of community service as a sentencing option and the retention of the probation framework under the Probation of Offenders Act, 1958 provide defense counsel with new arguments at the sentencing stage. The Supreme Court has consistently held that sentencing is a complex judicial function that must account for the nature of the offence, the character and antecedents of the offender, and the legitimate objects of punishment including reform and rehabilitation. Mitigation hearings, victim impact assessments, and social background reports are tools that remain underutilised in Indian courts but are available and should be actively deployed by the defense.

Landmark Judgments Shaping Criminal Defense

A survey of the most consequential Supreme Court decisions in the field of criminal defense reveals a judiciary that, particularly in the last three decades, has sought to use constitutional interpretation to fill the gaps left by inadequate legislation. The following decisions represent the essential architecture of criminal defense jurisprudence in India:

The 2024 decision in Manish Sisodia v. CBI is particularly significant for its emphatic restatement of the principle that bail cannot be denied as a punitive measure or to appease public sentiment. The Court's observation that the accused had been in custody for over 17 months without trial making meaningful progress — and that this was constitutionally impermissible — has been widely cited in subsequent bail applications in economic offences.

Challenges, Criticisms, and Unresolved Questions

10.1 Civil Liberties Concerns

The new codes have attracted sustained criticism from the legal community, civil society, and opposition political parties. The most significant concerns relate to: the expansion of police remand to 60 days for serious offences; the introduction of in absentia trials which critics argue could be misused against political opponents or marginalised communities; the overbroad definition of terrorism in Section 113 BNS; and the absence of sunset clauses or independent review mechanisms for the expanded police powers. The Parliamentary Standing Committee on Home Affairs, which examined the Bills before enactment, noted several of these concerns in its reports and recommended amendments that were not fully incorporated into the final legislation.

10.2 Infrastructure and Implementation Challenges

The mandatory timelines introduced by the BNSS — while admirable in intent — face serious implementation challenges. As of 2024, India has approximately 21 judges per million population, against a recommended ratio of 50 judges per million (Law Commission of India, 120th Report). The number of vacant judicial posts at the district level exceeds 5,000. In this context, the directive to deliver judgments within 45 days of completing arguments, while legally binding, may be aspirational for a significant portion of the judiciary. The risk is that overburdened courts, under pressure to meet timelines, may compromise the thoroughness of judicial consideration.

10.3 Constitutional Validity

Several provisions of the new codes are expected to face constitutional challenges. The in absentia trial provision (Section 392 BNSS) is vulnerable to challenge under Article 21 as potentially violating the right to a fair hearing. The extended police remand provisions may be challenged as arbitrary and violative of Article 14 and Article 22. The definition of organised crime in Section 111 BNS has been criticised as vague and overbroad, raising concerns under the void-for-vagueness doctrine. While the courts will ultimately adjudicate these challenges, defense practitioners must be alert to these constitutional arguments as available weapons in appropriate cases.

10.4 The Undertrial Crisis

No analysis of criminal defense in India is complete without addressing the undertrial crisis. Over 75% of India's prison population consists of persons who have not been convicted of any offence — they are undertrials awaiting the conclusion of their cases. The National Crime Records Bureau's Prison Statistics India 2022 reports that India's prisons hold over 554,000 inmates against a total capacity of approximately 425,000 — an occupancy rate of 130.2%. The majority of undertrials are from economically disadvantaged backgrounds, from marginalised communities, and are unable to afford bail or legal representation. The BNS, BNSS, and BSA, for all their reformist ambition, do not address the underlying structural issues of poverty, legal illiteracy, and inadequate legal aid that drive the undertrial crisis. True reform of criminal justice in India must engage with these systemic inequities.

Conclusion: Navigating the New Era

The enactment of the BNS, BNSS, and BSA represents the most ambitious legislative overhaul of India's criminal justice system since independence. Whether it succeeds in delivering on its promise of a more just, efficient, and citizen-centric criminal process will depend not merely on the text of the legislation, but on the robustness of implementation, the independence and efficiency of the judiciary, the quality of the police and prosecutorial machinery, and the rigour with which the defense bar holds the State to its constitutional obligations.

For accused persons and their counsel, the new framework presents both challenges and opportunities. The expanded police powers demand heightened vigilance at every stage of investigation. The technology-oriented procedural reforms require the defense bar to develop new expertise in digital evidence and electronic proceedings. The new substantive offences — from organised crime to the revised terrorism provisions — demand precise analysis of elements, intent, and constitutional permissibility. And the mandatory timelines, while potentially beneficial for speedy resolution, require a more proactive and structured approach to case management.

At the same time, the new codes retain and in some respects enhance protections for the accused. The codification of bail as a right for first-time undertrials, the enhanced victim participation (which also creates new procedural opportunities for the defense), and the simplification of evidence rules for digital records all offer new tools for the skilled defense practitioner.

Above all, the constitutional rights of the accused — to liberty, to silence, to a fair trial, to legal representation, and to the equal protection of law — remain inviolate. The greatest guarantee of justice in any system is not the text of its codes, but the vigilance with which those rights are asserted and defended. The role of skilled, informed, and committed criminal defense counsel has never been more essential.

This paper has been prepared by the lawyers at Siri Law LLP for informational and educational purposes. It does not constitute legal advice. Persons requiring legal advice in relation to criminal matters should consult a qualified advocate.