Home  /  Prevention of Corruption Act  /  Section 21

Section 21: Accused person to be a competent witness

Prevention of Corruption Act • Official Statutory Text & Practice Guide

Statutory Regulation
Legal Standard
Competent Court / Tribunal
Act 1988
Section 20 All 31 Sections of Prevention of Corruption Act Section 22

Legal Commentary & Landmark Judgments: Section 21

Section 21 of the Prevention of Corruption Act, 1988 establishes the statutory competence of an accused person to testify as a witness for the defence in his own trial. While empowering the accused to give evidence on oath to rebut statutory presumptions or disprove charges, it enshrines crucial constitutional safeguards under Article 20(3) of the Constitution, stipulating that the accused can only be called upon his own written request and that his failure to testify cannot give rise to adverse inferences.

  • Voluntary Written Request Condition Precedent: Under proviso (a), an accused can never be compelled or summoned by the court or prosecution to testify; he may only step into the witness box upon his own voluntary application in writing.
  • Strict Immunity Against Adverse Inference: Under proviso (b), the refusal or failure of the accused to give evidence shall not be made the subject of any comment by prosecution or court, nor can it give rise to any presumption of guilt against him or his co-accused.
  • Shield Against Character Imputation: Under proviso (c), an accused testifying under Section 21 is shielded from cross-examination regarding past convictions or bad character unless he has previously introduced evidence of his good character or attacked the character of prosecution witnesses.
Key Landmark Precedents:
  • Selvi v. State of Karnataka (2010) 7 SCC 263: A 3-Judge Bench held that the right against self-incrimination guaranteed under Article 20(3) of the Constitution is a fundamental facet of personal liberty under Article 21; provisions like Section 21 PC Act and Section 315 CrPC maintain this balance by making accused testimony purely consensual and strictly forbidding adverse presumptions.
  • T.N. Lakshmaiah v. State of Karnataka (2002) 1 SCC 728: The Supreme Court held that where a statutory presumption is raised against a public servant (such as under Section 20 PC Act), the accused may discharge his burden either through cross-examination of prosecution witnesses or by stepping into the witness box under Section 21, but his decision not to testify cannot be construed as an admission of guilt.
  • Kailas Gour v. State of Assam (2012) 2 SCC 34: The Supreme Court reiterated that an accused testifying as a defence witness under Section 315 CrPC / Section 21 PC Act is treated on the same footing as any other witness; his testimony must be evaluated objectively and cannot be discredited merely because he is an interested party facing trial.
Courtroom Practice & Strategic Litigation Guidance:

Stepping into the witness box under Section 21 is a high-risk, high-reward defense gambit. It is most potent in disproportionate assets cases (Section 13(1)(b)) to explain complex family finances, agricultural income, or private hand loans that require personal accounting. Ensure the written application explicitly invokes Section 21; prepare the accused rigorously for cross-examination, and safeguard against character cross-examination by ensuring no prior bad character questions are entertained under proviso (c).

Section 20 All 31 Sections of Prevention of Corruption Act Section 22