Sajjad Husain LawSajjad Husain Law Associates

On 25 December 2023, the President of India assented to a statute that replaced the Indian Evidence Act, 1872 — a piece of colonial legislation that had governed the law of evidence in Indian courts for more than 151 years. The new statute is called the Bharatiya Sakshya Adhiniyam, 2023, and together with its two companion Acts — the Bharatiya Nyaya Sanhita, 2023 (replacing the Indian Penal Code, 1860) and the Bharatiya Nagarik Suraksha Sanhita, 2023 (replacing the Code of Criminal Procedure, 1973) — it forms the most significant overhaul of Indian criminal-law infrastructure since Independence.

For lawyers, law students, judges, investigators, and anyone whose work touches the courtroom, the Bharatiya Sakshya Adhiniyam, 2023 (referred to in shorthand as the BSA) is now the primary statute governing what can be proved in court, how it can be proved, and by whom. This article is a complete guide to the BSA — what it is, what it changed from the 1872 Act, what it kept, what the substantive reforms mean in practice, and how the whole 170-section architecture fits together.

Why this matters — three big reasons at once

The BSA arrives with three simultaneous claims on the attention of anyone practising, studying, or teaching Indian law.

Historical context — how we got here

The Indian Evidence Act, 1872 was one of a small group of comprehensive codifications produced during the British administration of India — the Indian Penal Code, 1860 by Lord Macaulay's Commission; the Contract Act, 1872; the Transfer of Property Act, 1882; and the Evidence Act itself. Stephen's Evidence Act was widely admired at the time for its clarity, its illustrations, and its careful architecture — and much of that admiration was deserved. The IEA held its ground remarkably well through nearly a century and a half of Indian legal development, with only modest amendments along the way.

The biggest set of amendments came from the Information Technology Act, 2000, which retrofitted the IEA to cover electronic records: Section 65A and 65B for admissibility of electronic evidence, Section 45A for the Examiner of Electronic Evidence, and Section 47A for the Certifying Authority's opinion on electronic signatures. These amendments worked, but they read as additions to an older architecture rather than as an integrated part of the whole. Practitioners had to hold the pre-2000 concepts (primary evidence, secondary evidence, document, and evidence) in one hand and the post-2000 electronic-evidence framework in the other.

Momentum for a full recodification built through the 2010s and crystallised in the Committee for Reforms in Criminal Laws constituted in 2020 under the chairmanship of Prof. (Dr.) Ranbir Singh, Vice-Chancellor of the National Law University, Delhi. The Committee's remit covered all three of the Indian Penal Code, 1860, the Code of Criminal Procedure, 1973, and the Indian Evidence Act, 1872. Its work fed into three parallel Bills that Parliament passed in the Monsoon Session of 2023. Presidential assent followed in December 2023, and the coming-into-force date was notified for 1 July 2024 for all three statutes together.

Structural map — the shape of the BSA

The BSA is organised into 12 chapters containing 170 sections, spread across three Parts. The chapter organisation broadly parallels the IEA but with two additions and several consolidations.

Compared to the IEA's 167 sections, the BSA adds two chapters of substance (Chapter XI on improper admission/rejection and Chapter XII on repeal and savings are technically new dedicated chapters, though the substance existed elsewhere) and consolidates several separate IEA provisions into single BSA sections — most notably Section 22 (folding IEA Sections 24, 28, 29 into one provision with provisos) and Section 23 (folding IEA Sections 25, 26, 27).

What genuinely changed — six clusters of real reform

Not every section of the BSA is a change from the IEA. The BPRD's official BSA-to-IEA correspondence table shows that most sections are marked "No change", and even the changed sections are usually altered in matters of drafting, illustration language, or structural presentation rather than substantive doctrine. But there are six clusters where the reform is real and worth understanding.

Cluster 1 — Electronic evidence, integrated throughout

This is the biggest substantive reform in the BSA. Rather than treating electronic evidence as an add-on framework, the BSA integrates it into the foundational definitions and the general rules on documentary evidence.

1. Section 2(1)(d) "document" — expressly includes "electronic and digital records", with an illustration spanning emails, server logs, computer/smartphone documents, messages, websites, locational evidence, and voicemail.
2. Section 2(1)(e) "evidence" — expressly includes "statements given electronically" (oral evidence limb) and "electronic or digital records" (documentary evidence limb).
3. Section 57 "primary evidence" — adds four new Explanations (4–7) treating qualifying electronic records as primary evidence: records stored across multiple files, records from proper custody unless disputed, video recordings transmitted while stored, and records in multiple automated storage spaces including temporary files.
4. Section 61 "Electronic or digital record" — an entirely new provision with no IEA predecessor, stating that electronic records cannot be denied admissibility just for being electronic, and that they carry the same legal effect as documents, subject to Section 63.
5. Section 63 "Admissibility of electronic records" — the successor to Section 65B IEA, widened to expressly cover "semiconductor memory", "any communication device", and intermediary storage; the certificate now requires signing by both an in-charge person and an expert, in the form specified in the Schedule.

Cluster 2 — Expert evidence widened to "any other field" (Section 39)

Section 39 (the successor to Section 45 IEA) admits opinion evidence from persons "specially skilled" in foreign law, science, art — or any other field — as well as identity of handwriting or finger impressions. The words "or any other field" are added by the BSA. Under the IEA, courts often had to fit new specialisations (cybersecurity, cryptocurrency valuation, digital forensics, corporate finance, environmental engineering) into "science" or "art" by extension. Section 39's addition removes that strain, opening the door to expert evidence on any field where specialised skill is genuinely required. The underlying discipline — the witness must actually be specially skilled, and the court is not to surrender its judgment to the expert (per Ramesh Chandra Agrawal v. Regency Hospital Ltd., (2009) 9 SCC 709) — remains fully in force.

Cluster 3 — Coercion added as a vitiating factor for confessions (Section 22)

Section 22 (the successor to Section 24 IEA) sets out when a confession is irrelevant on grounds of being caused by inducement, threat, coercion, or promise. The word "coercion" is a BSA addition — the IEA formulation was "inducement, threat or promise". While coercion was arguably already covered by broad readings of "threat", the express addition closes a technical opening and gives the doctrine a firmer statutory foundation. Section 22 also folds in Sections 28 and 29 IEA as its first and second provisos, consolidating the whole confession-voluntariness framework into a single provision.

Cluster 4 — Decolonising edits across the Act

Beyond Section 77, notable decolonising edits include: Section 1 dropping the express territorial-extent clause; Section 21 replacing "barrister, pleader, attorney or vakil" with "advocate" (Advocates Act 1961 alignment); Section 31 removing UK Parliament / Crown Representative / London Gazette references; Section 52 removing the entries on UK Parliament proceedings, British Sovereign's accession and sign-manual, and Articles of War; Section 80 removing the London-Gazette / private-Act-of-Parliament-of-the-UK reference; and Section 88 removing "Her Majesty's Dominions". Illustrations across the Act have been updated too — Kolkata/Mumbai/Chennai/Ladakh in place of Calcutta/Bombay/Lahore, and vocabulary modernisations like "advocates" for "vakils".

Cluster 5 — BNS/BNSS cross-references and new Explanation II to Section 24

Because the BSA works alongside the BNS 2023 and the BNSS 2023, its offence and procedural references have been updated:

1. Section 48 (sexual-offence character-evidence exclusion) now lists BNS Sections 64, 65, 66, 67, 68, 69, 70, 71, 74, 75, 76, 77, and 78 in place of the corresponding IPC provisions.
2. Section 44's proviso (opinion by conduct on relationship not sufficient to prove marriage in specified proceedings) now points at BNS Sections 82 and 84.
3. Section 24 gains a wholly new Explanation II: a trial in the absence of an accused who has absconded or failed to comply with a BNSS Section 84 proclamation is deemed a joint trial for the purpose of Section 24 — closing a doctrinal gap the IEA Section 30 formulation had left open.

Cluster 6 — The interoperability clause (Section 2(2))

New in the BSA, and easy to overlook, is Section 2(2): "Words and expressions used herein and not defined but defined in the Information Technology Act, 2000, the Bharatiya Nagarik Suraksha Sanhita, 2023, and the Bharatiya Nyaya Sanhita, 2023, shall have the same meanings as assigned to them in the said Act and Sanhitas." This is not decorative. The clause formally ties the BSA to its statutory neighbours — a piece of legislative plumbing that spares the drafters from having to re-define terms like "electronic signature", "certifying authority", "police officer", and "offence" within the BSA, and it ensures that the definitions across the coordinated criminal-law reform stay aligned.

What stayed the same — the doctrinal spine of Indian evidence law

The BSA is a substantially preserved evidentiary regime. The great structural doctrines that generations of Indian judges and lawyers have built up under the IEA all carry forward:

1. The best evidence rule — Section 59 (primary evidence is the rule; secondary the exception) and Section 60 (the seven cases in which secondary evidence may be given) are unchanged from IEA Sections 64 and 65.
2. The hearsay rule — Section 55 (oral evidence must be direct) carries the classical rule of hearsay exclusion forward from IEA Section 60 without substantive change. The Supreme Court's guidance in Kalyan Kumar Gogoi v. Ashutosh Agnihotri, (2011) 2 SCC 532, applies directly.
3. Dying declarations — Section 26(a) preserves the IEA Section 32(1) formulation intact, and the Privy Council's classical guidance in Pakala Narayana Swami v. Emperor, AIR 1939 PC 47 (that "circumstances of the transaction" is wider than the immediate act of killing) and the Supreme Court's Constitution Bench decision in Laxman v. State of Maharashtra, (2002) 6 SCC 710 (medical fitness certificate is not mandatory) continue to control.
4. The presumption vocabulary — "may presume", "shall presume", and "conclusive proof" have moved from IEA Section 4 to BSA Sections 2(1)(h), (l), and (b) respectively, but the substantive meanings are identical.
5. Judicial notice — Section 51 (a judicially noticeable fact need not be proved) and Section 52 (list of facts of which the court shall take judicial notice) carry the framework forward, with the decolonising edits to Section 52 discussed above.
6. Admissions and confessions — the architecture of Sections 15–25 (whose admissions bind whom, how they are proved, when confessions are irrelevant, and the general calibration that admissions are not conclusive proof) tracks the IEA Sections 17-31 framework closely.
7. Character evidence — the four-section cluster in Sections 46–50 preserves the IEA Sections 52-55 architecture almost unchanged.

The practical significance of this continuity is that the body of case law developed under the IEA over 150+ years applies almost entirely to the BSA. Practitioners can go on citing the classical authorities; students preparing for exams can rely on the standard IEA commentaries with appropriate section-number translation; and courts can proceed without wholesale re-litigation of settled doctrines.

Landmark case law that still applies under the BSA

The consistent story across all these authorities is that the BSA does not disturb the doctrinal core of Indian evidence law. Each of them applies to the BSA equivalent provision with the section-number translation shown above.

A chapter-by-chapter reading map

For anyone approaching the BSA cold, a chapter-by-chapter reading route helps place each provision in context. What follows is a recommended sequence for a first pass through the Act, along with the key questions each chapter answers.

Practical implications — five priorities for practitioners

Five specific priorities are worth building into any BSA-era practice:

1. The Section 63 certificate. Under the settled Anvar–Arjun Panditrao line, no computer output can be admitted as secondary electronic evidence without the mandatory certificate. The BSA has retained this discipline and, if anything, tightened it (the certificate must now be signed by an in-charge person and an expert, in the Schedule-specified form, at each instance of submission). Build the certificate discipline into any case involving digital records.
2. The Section 39 expert-scope expansion. If a case turns on specialised knowledge in a field that was previously argued as "science" or "art" only by extension — cybersecurity, forensic accounting, medical sub-specialties, digital forensics, environmental engineering — Section 39's "or any other field" now makes the admissibility straightforward.
3. The Section 22 coercion argument. Where a confession is challenged as involuntary, the BSA's express addition of "coercion" alongside inducement/threat/promise removes the technical objection that coercion was not named. This is particularly relevant in custody-related confession cases.
4. The Section 24 Explanation II on absconding co-accused. If a joint-trial situation involves a co-accused who has absconded (or failed to comply with a BNSS Section 84 proclamation), the trial in their absence is deemed a joint trial for Section 24 — meaning the confession of one accused now qualifies for consideration against the absconding co-accused (subject to Kashmira Singh's not-substantive-evidence caution).
5. The Section 57 primary-evidence Explanations for electronic records. Where an electronic record is available in its original form — a phone with the original messages, a server with the original database — Section 57's Explanations 4–7 allow it to be tendered as primary evidence, dispensing with the Section 63 certificate requirement (which applies to secondary electronic evidence only). This can be a significant tactical advantage in complex digital-evidence cases.

Conclusion — the BSA as a bridge from 1872 to the digital era

The Bharatiya Sakshya Adhiniyam, 2023 is best understood not as a rewrite of Indian evidence law but as a careful modernisation of it. The great architectural achievements of the 1872 Act — the definitions of fact, relevance, and proof; the res gestae rule; the seven-category framework for secondary evidence; the dying-declaration doctrine; the character-evidence architecture; the burden-of-proof provisions; the witness-examination framework — all carry forward, with the case law that developed around them intact. The reforms that the BSA does make are consequential but targeted: an integrated electronic-evidence framework, a widened expert-scope, an added "coercion" ground, a set of decolonising vocabulary edits, coordinated BNS/BNSS cross-references, and a new interoperability clause. Together, these edits align Indian evidence law with contemporary India and with the two companion statutes that Parliament passed alongside it.

For practitioners, the transition demands attention to specific provisions rather than to the Act as a whole. For students, the BSA is best learned by mastering the IEA's structural doctrines and then working through the correspondence table to identify what has changed. For scholars and reformers, the BSA sits as a case study in how a large piece of colonial legislation can be recodified — preserving most of what worked while modernising vocabulary, integrating digital-era realities, and coordinating with parallel statutes. The Act's 170 sections, from Section 1's short-title clause to Section 170's repeal-and-savings provision, are the working legal architecture that Indian courts will now apply for the foreseeable future — a bridge, in effect, from Sir James Fitzjames Stephen's 1872 achievement to the evidence needs of a digital, self-governing India.

Each section of the BSA is examined in its own dedicated article on this site. Readers new to the Act may wish to begin with Section 1, which sets out the short title, application, and commencement provisions and forms the natural doorway to the Act's structure. From there, the natural progression is through Chapter I's Section 2 definitions, into Chapter II's general relevance rules, and onward through the documentary evidence, oral evidence, and witness-examination provisions to the closing repeal-and-savings clause.