Indian Evidence Law – Bharatiya Sakshya Adhiniyam, 2023
Number of Witnesses (Section 139)

Introduction
In the administration of justice, it is often assumed that a greater number of witnesses leads to stronger proof. Indian evidence law rejects this assumption. Section 139 of the Bharatiya Sakshya Adhiniyam, 2023 clearly lays down that no particular number of witnesses is required to prove any fact. What matters is not how many witnesses are examined, but how credible, reliable, and trustworthy the evidence is.
This provision reflects a mature and practical approach to evidence, recognising social realities and focusing on the quality of proof rather than numerical strength.

Statutory Provision – Section 139
Section 139 states:
No particular number of witnesses shall in any case be required for the proof of any fact.
Thus:

• A fact may be proved by:
  • A single witness, or
  • Multiple witnesses, or
  • Even by circumstantial evidence alone

The court must evaluate the weight and credibility of the evidence as a whole.

Scope and Historical Background
Old English Rule: “Unus Nullus”

• Under early English common law:
  • Unus nullus meant “one is equal to none”
  • Evidence was counted, not weighed

Modern Rule (Now Accepted in India and England)

• The rigid rule has been abandoned
• The accepted principle today is:

Evidence must be weighed, not counted
Section 139 embodies this modern principle.

Object of Section 139
The object of Section 139 is to:

• Prevent miscarriage of justice due to technical insistence on plurality of witnesses
• Acknowledge that:
  • Members of the public are often reluctant to depose in court
• Ensure that offenders do not escape punishment merely because:
  • Only one witness is available

If plurality of witnesses were mandatory:

• Many crimes would go unpunished
• Justice would be seriously hampered

Quality vs Quantity of Evidence
Section 139 establishes that:

• Quality of evidence is decisive
• Quantity of witnesses is immaterial

A conviction can legally be based on:

• The testimony of a sole witness, provided:
  • The witness is reliable
  • The testimony is trustworthy

Classification of Oral Testimony (Judicially Recognised)
Courts generally classify oral testimony into three categories:

1. Wholly Reliable
   • Testimony inspires full confidence
   • Conviction may be safely based on it alone
2. Wholly Unreliable
   • Testimony is inherently improbable or false
   • Must be rejected outright
3. Neither Wholly Reliable Nor Wholly Unreliable
   • Testimony contains some doubts
   • Court must look for corroboration as a rule of prudence

This classification guides courts in deciding whether corroboration is necessary.

Judicial Interpretation
Shivaji Sahebrao Bobade v. State of Maharashtra
The Supreme Court held:

• It is quality, not quantity, of evidence that matters
• Even in serious cases like murder:
  • Conviction can be based on a single witness, if reliable
• These principles are now settled law

Namdeo v. State of Maharashtra
The Supreme Court laid down important principles:

1. The quality of evidence, not the number of witnesses, is material
2. Section 139 clearly states that:
   • No fixed number of witnesses is required
3. A court can and may act on the testimony of a single witness, even if uncorroborated
4. One credible witness may outweigh:
   • Several witnesses of doubtful or indifferent character
5. Corroboration should not be insisted upon:
   • Unless required by statute, or
   • Unless the nature of testimony itself demands it as a rule of prudence

When Is Corroboration Required?
Corroboration of a sole witness is required only when:

• The law expressly mandates it, or
• The testimony:
  • Falls into the third category (neither wholly reliable nor wholly unreliable), or
  • Appears suspicious or doubtful

Otherwise, corroboration is not a legal necessity.

Practical Implications of Section 139

• Courts should not reject prosecution cases merely because:
  • All eyewitnesses were not examined
• Delay, fear, social pressure, or inconvenience often prevents witnesses from coming forward
• Section 139 ensures:
  • Justice is not sacrificed at the altar of numbers

Critical Analysis
Strengths

1. Prevents technical acquittals
2. Recognises ground realities of litigation
3. Focuses on truth and credibility
4. Strengthens judicial discretion
5. Aligns with modern evidentiary principles

Limitations

1. Heavy reliance on judicial assessment
2. Risk of misuse if credibility is wrongly evaluated
3. Requires careful and reasoned judgment

Conclusion
Section 139 of the Bharatiya Sakshya Adhiniyam, 2023 firmly establishes that no particular number of witnesses is required to prove any fact. The law emphasises that truth does not depend on numbers, but on credibility.
By allowing courts to base findings even on the testimony of a single trustworthy witness, Section 139 prevents injustice, reflects social realities, and reinforces the principle that justice is achieved by weighing evidence, not counting witnesses.