Number of Witnesses — No Particular Number Required (s. 139) — BSA (Law of Evidence) Notes

Number of Witnesses — No Particular Number Required (s. 139)

If ten witnesses swear one way and one witness the other, who wins? The instinct is to count heads. The law refuses to. A single truthful witness can outweigh a crowd of liars — so s. 139 lays down that no particular number of witnesses is needed to prove anything. As the old maxim runs: evidence is to be weighed, not counted.

Section 139 [IEA s. 134] states the whole rule in one breath: no particular number of witnesses shall in any case be required for the proof of any fact. There is no rule that a fact must be proved by two witnesses, or three, or a hundred. The court looks to the quality of the evidence, not its quantity.

The practical consequences:

A single reliable witness can sustain a conviction — even in a serious case — if the court finds his testimony wholly trustworthy (Vadivelu Thevar vs State of Madras, 1957). Numbers do not make weak evidence strong.
Conversely, a mass of unconvincing witnesses proves nothing. Ten tutored or interested witnesses do not outweigh one credible one.
The classification the courts use (from Vadivelu Thevar): witnesses are wholly reliable, wholly unreliable, or partly reliable. On a wholly reliable witness the court may act without corroboration; a wholly unreliable one is rejected; a partly reliable one is acted on only where corroborated.

One caution — statute may require a number. Section 139 is the general rule; a few special laws (e.g. the attestation of a will, which needs an attesting witness under s. 67; or the two witnesses a will itself requires under the succession law) do prescribe requirements. Section 139 yields to any such specific statutory rule.

🧩 WORKED EXAMPLE — the lone eyewitness

Facts. In a murder trial there is only one eyewitness, whom the court finds entirely truthful and reliable. The defence argues that a single witness cannot support a conviction for so grave a charge.

Rule. Under s. 139, no particular number of witnesses is required to prove any fact; a single wholly reliable witness suffices (Vadivelu Thevar).

Apply. The court has found the sole eyewitness wholly reliable. There is no rule of law demanding a minimum number, so his testimony, if believed, is enough to prove the murder.

Conclusion. The conviction can rest on the single reliable eyewitness; the “only one witness” argument fails, because evidence is weighed, not counted.

Section 139, BSA 2023: “No particular number of witnesses shall in any case be required for the proof of any fact.”

In Simple Terms: The law never counts witnesses to decide who is right. One honest, convincing witness can prove a case; a crowd of doubtful ones cannot. What matters is the quality of the evidence, not the headcount.

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    ROOT --> B["Many unreliable witnesses<br/>= prove nothing"]:::diamond
    ROOT --> C["Exception: where a specific statute<br/>requires a set number (e.g. attestation, s. 67)"]:::diamond
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Case Laws

Vadivelu Thevar vs State of Madras (1957) — no particular number of witnesses is required; a conviction can rest on the testimony of a single wholly reliable witness. Witnesses are classified as wholly reliable, wholly unreliable, or partly reliable.
Sunil Kumar vs State of Rajasthan (2005) — the evidence of a solitary eyewitness, if found to be of sterling quality and wholly reliable, is sufficient to found a conviction; it is the quality and not the quantity of witnesses that matters.

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