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Section 21: Act of Child Above Seven and Under Twelve of Immature Understanding

Bharatiya Nyaya Sanhita • Chapter III: General Exceptions • Official Statutory Text & Legal Guide

Chapter III: General Exceptions
Juvenile Justice Board
Complete Defence
Non-Applicable
Formerly Sec 83 IPC
Section 20 All 358 Sections of Bharatiya Nyaya Sanhita Section 22

Legal Commentary & Landmark Judgments: Section 21

Section 21 establishes qualified infancy, providing that nothing is an offence which is done by a child above seven years of age and under twelve, who has not attained sufficient maturity of understanding to judge of the nature and consequences of his conduct on that occasion.

  • Qualified Infancy (Ages 7 to 12): Applies to children who are between seven and twelve years of age.
  • Maturity of Understanding Test: The child is presumed doli incapax unless the prosecution affirmatively proves that the child had attained sufficient maturity to understand the nature and evil consequences of the act.
  • Case-by-Case Judicial Evaluation: Determined by examining the child's behavior, concealment of the weapon, or post-event conduct.
Key Landmark Precedents:
  • Ulla Mahapatra v. The King (AIR 1950 Ori 261): The Orissa High Court held that where a boy of 11 picked up a knife and threatened another, the prosecution had to prove that the child had attained sufficient maturity of understanding under Section 83 IPC (Section 21 BNS); in absence of proof, acquittal was mandatory.
  • Hiralal Mallick v. State of Bihar (1977) 4 SCC 44: Examined child offenders, holding that subsequent juvenile legislation operates alongside penal exceptions to protect child welfare.
Courtroom Practice & Strategic Litigation Guidance:

In juvenile proceedings involving children between 7 and 12, defense counsel must insist on a formal psychological assessment: if the child did not understand that the act was morally and legally wrongful, Section 21 BNS mandates complete exoneration.

Section 20 All 358 Sections of Bharatiya Nyaya Sanhita Section 22