Introduction
Almost every criminal trial in India reaches a moment where a lawyer stands up holding a police statement, an FIR, or some other document, and says to a witness: "But didn't you say something different before?" That moment — one of the most powerful tools in a cross-examiner's arsenal — is governed by a single, precisely worded provision that has generated more litigation on its exact scope than almost any other rule of evidence.
Section 148 of the Bharatiya Sakshya Adhiniyam, 2023 (BSA), in Chapter X ("Of the Examination of Witnesses"), sets out a two-step procedure for using a witness's own prior written statement against them: one relatively loose rule for general cross-examination, and a much stricter, fairness-driven rule the moment the writing is used to contradict what the witness has just said in court. This article explains both halves of the rule, the landmark Supreme Court doctrine that defines what actually counts as a "contradiction," and how Section 148 interacts with the separate statutory limits on using a witness's police statement.
148. Cross-examination as to previous statements in writing.
A witness may be cross-examined as to previous statements made by him in writing or reduced into writing, and relevant to matters in question, without such writing being shown to him, or being proved; but, if it is intended to contradict him by the writing, his attention must, before the writing can be proved, be called to those parts of it which are to be used for the purpose of contradicting him.
Two Very Different Rules Packed Into One Sentence
Section 148 is deceptively short, but it actually creates two distinct regimes depending on what the cross-examiner intends to do with the writing.
The first part deals with ordinary cross-examination that merely draws on a previous written statement — for example, using it to refresh the line of questioning or probe consistency — without any intention to formally contradict the witness. Here, the rule is permissive: the writing need not even be shown to the witness, and it need not be proved at that stage. The cross-examiner has real freedom to work from the document without tipping their hand or going through any formal procedure first.
The second part governs the more consequential move: using the writing to affirmatively contradict what the witness has just said in the witness box. Here the rule flips from permissive to protective. Before the writing can be proved (that is, formally put into evidence to establish the contradiction), the witness's attention must first be called to the specific parts of it that will be used against them.
What Actually Counts as a "Contradiction"? The Tahsildar Singh Doctrine
The word "contradict" in Section 148 sounds simple, but Indian courts have spent decades working out its exact boundaries — most influentially in Tahsildar Singh v. State of Uttar Pradesh (1959), a Supreme Court decision that remains the foundational authority on this question. The Court held that a contradiction exists only where the previous statement and the courtroom testimony are so inconsistent or irreconcilable that both cannot be true at once — if one is accurate, the other must be false.
Crucially, the Court also drew a sharp line between a genuine contradiction and a mere omission. Under the older procedural code, a bare omission — something simply left unsaid in the earlier statement — could not, by itself, be treated as a contradiction. Only an omission that necessarily implied a contradiction (for example, where a witness's silence on a point was logically incompatible with what they said later) could be used this way. The Court illustrated this with its own example: a witness who told police that three people were beating the victim, but later testified in court that four people were involved, was not merely "omitting" one attacker from the earlier account — the two figures cannot both be correct, so the omission amounted to a real contradiction.
How the Rule Evolved: Omissions Get Broader Reach
The strict Tahsildar Singh test was later softened by a legislative Explanation inserted into the criminal procedure code, which now provides that an omission to state a fact or circumstance may itself amount to a contradiction if that omission is significant and otherwise relevant — even without the stricter "logical incompatibility" that Tahsildar Singh originally required. This Explanation carries forward into the modern framework under the Bharatiya Nagarik Suraksha Sanhita, 2023 (BNSS), whose Section 181 is the direct successor to the old Section 162 Cr.P.C. provision that restricts how a witness's statement to a police officer during investigation can be used at trial.
The Overlap With Section 181 BNSS: A Narrower Use for Police Statements
Section 148's second part interacts with a separate, specific restriction that applies only to statements recorded by a police officer during investigation. Section 181 BNSS (like its predecessor) permits such a statement to be used only to contradict the witness under the second part of Section 148 — it cannot be used for general cross-examination purposes under the first part, and it cannot be used to corroborate the witness either. This is a deliberate, narrower carve-out layered on top of Section 148's general rule, reflecting long-standing concern about the reliability of statements recorded by investigators rather than taken on oath in court.
Worked Example: The Confrontation Step in Practice
Consider a witness in a robbery trial who told the investigating officer that the assailant fled on foot, but testifies in court that the assailant fled on a motorcycle. Before defence counsel can formally prove the earlier statement to establish this inconsistency, Section 148 requires the witness's attention to be drawn specifically to that portion of the statement — counsel must put it to the witness directly ("Did you not tell the police that the assailant fled on foot?") and give the witness the chance to explain the discrepancy before the document itself is proved and placed on the record as a contradiction.
Section 148 BSA vs. Section 145 IEA: Verbatim Continuity
Section 148 corresponds to Section 145 of the Indian Evidence Act, 1872 (IEA), and the text is carried forward without a single substantive change. The entire body of case law built up over more than a century interpreting Section 145 — including Tahsildar Singh and the line of decisions refining the omission-versus-contradiction distinction — therefore continues to apply with full force under the BSA.
| Element | IEA, 1872 / Cr.P.C., 1973 | BSA, 2023 / BNSS, 2023 |
|---|---|---|
| Two-step contradiction rule | Section 145 IEA, unchanged since 1872 | Section 148 BSA, identical wording |
| Police-statement restriction | Section 162, Cr.P.C., 1973 (with omissions Explanation) | Section 181, BNSS, 2023 (same restriction carried forward) |
Section 148 Within the Chapter's Impeachment Toolkit
Section 148 is the mechanical engine behind one of the three routes to impeaching a witness's credit set out in Section 158 BSA — proof of a former statement inconsistent with the witness's present evidence. Where Section 158 identifies inconsistency-through-prior-statement as a permissible ground of attack, Section 148 supplies the actual procedure for putting that prior statement to the witness and proving it. The two provisions work as engine and chassis: one authorises the attack, the other governs how it must be carried out.
It is worth contrasting this with Section 160 BSA (already covered in this series), which allows a witness's own former statement to be used for the opposite purpose — corroborating, not contradicting, their testimony. The same category of document — a witness's prior written or recorded statement — can therefore serve either function depending entirely on how and why it is deployed at trial.
Who Section 148 Actually Affects
- Trial advocates gain a powerful, well-defined tool for testing a witness's consistency, but must follow the confrontation step precisely before a prior statement can be proved as a contradiction.
- Witnesses are guaranteed a fair opportunity to explain an apparent inconsistency before it is formally used against their credibility.
- Investigating officers and prosecutors must remember that a witness's police statement can only ever be used to contradict, never to corroborate or as substantive proof of facts, under the linked restriction in Section 181 BNSS.
- Trial judges must apply the Tahsildar Singh test (as refined by the omissions Explanation) to determine whether an alleged discrepancy is a genuine contradiction or merely an immaterial gap.
- Appellate courts reviewing a conviction often revisit whether the confrontation procedure was properly followed, since a contradiction proved without first confronting the witness may be open to challenge.
Key Takeaways
- Section 148 splits into two regimes: a permissive rule for general cross-examination using a prior writing, and a stricter, fairness-driven rule when the writing is used to contradict.
- Confrontation is mandatory before proof: the witness's attention must be drawn to the specific contradicting portion before the writing itself can be proved.
- Not every discrepancy is a "contradiction": under Tahsildar Singh, the two statements must be genuinely irreconcilable, though a later Explanation lets significant, relevant omissions qualify too.
- Police statements face a narrower additional rule: Section 181 BNSS permits them to be used only to contradict a witness under Section 148's second part, never for general cross-examination or corroboration.
- The rule is unchanged from 1872: Section 148 BSA carries forward Section 145 IEA verbatim, so over a century of interpreting case law remains fully applicable.
Conclusion
Section 148 governs one of the most consequential and most frequently used tools in Indian trial practice — the use of a witness's own words, on paper, against what they say in court. Its structure reflects a careful balance: broad freedom to work with a prior statement during ordinary cross-examination, paired with a firm procedural safeguard the moment that statement is turned into a weapon of contradiction. Decades of case law, from Tahsildar Singh onward, exist precisely because that balance matters in practice as much as it does on paper.
Understanding Section 148 also means understanding its neighbours — Section 158's impeachment framework that it serves, Section 160's corroboration-only use of the same kind of document, and Section 181 BNSS's narrower rule for police statements specifically. Together, they form the practical machinery by which Indian courts test whether a witness's testimony can be trusted.