Presumption of Innocence

The presumption of innocence means that a person accused of a crime must be treated as innocent unless guilt is proved through a lawful trial. It requires the prosecution ordinarily to prove guilt beyond reasonable doubt; the accused does not have to establish innocence merely because an accusation has been made. It protects against prejudgment throughout criminal proceedings while permitting lawful investigative and procedural action.

Requirements throughout the proceedings

The presumption governs the treatment of an accused from accusation and investigation through trial. Investigative or procedural measures may be taken lawfully, but they must not be treated as findings of guilt.

• Courts and public authorities must not prejudge guilt merely because a person has been arrested, charged or detained.
• The accused must receive a fair hearing before an impartial court, and the prosecution ordinarily bears the legal burden of proving every essential ingredient of the offence.
• If the evidence leaves a genuine reasonable doubt about guilt, the court must acquit the accused.
• The rule does not require proof beyond every imaginary doubt; it requires proof strong enough to exclude reasonable alternatives consistent with innocence.

Constitutional and evidentiary basis

Although not separately expressed in the Constitution, the presumption forms part of fair criminal procedure under Article 21. Article 20(3), which protects an accused from being compelled to be a witness against oneself, reinforces the accusatorial character of the process.

• The Bharatiya Sakshya Adhiniyam, 2023 governs the burden of proof and contains special rules for facts within particular knowledge and statutory exceptions.
• The Supreme Court has treated the presumption as a foundational principle of criminal jurisprudence and fair trial.

Limits and qualifications

The presumption is rebuttable and does not prevent lawful investigation, arrest, detention or prosecution where statutory conditions are satisfied. Such measures do not themselves establish guilt.

• Legislatures may create reverse-burden clauses for specified offences, requiring the accused to explain or disprove particular facts.
• Courts generally require the prosecution first to establish the necessary foundational facts before a statutory presumption operates.
• Where an evidentiary burden rests on the accused, it is generally discharged on a preponderance of probabilities, a lower standard than the prosecution's burden.