Definition
The right of every person to defend their own body or the body of another, and to defend property, against an offence — using force proportionate to the threat, extending to causing death only in specified grave circumstances.
Sections 29-34 of the BNS 2023 (formerly Sections 96-106 IPC) establish the right of private defence. The right extends to: (a) defence of body (Section 29 BNS) — against any offence affecting the human body; and (b) defence of property (Section 32 BNS) — against theft, robbery, mischief, house-trespass. Key limits: (a) the right commences when there is a reasonable apprehension of danger — it cannot be exercised after the danger has passed; (b) there must be no time to seek public authority's protection; (c) the harm inflicted must be proportionate to the threat. The right to cause death exists only in narrowly defined circumstances: (i) assault reasonably causing apprehension of death or grievous hurt; (ii) rape; (iii) kidnapping; (iv) acid attack; (v) wrongful confinement where escape is impossible; (vi) robbery/dacoity.
Statutory Definition
Section 29, Bharatiya Nyaya Sanhita (BNS), 2023 (formerly Section 96 IPC): 'Nothing is an offence which is done in the exercise of the right of private defence.' Section 30 BNS (formerly Section 97 IPC): 'Every person has a right, subject to the restrictions contained in section 31, to defend — (a) his own body, and the body of any other person, against any offence affecting the human body; (b) the property, whether movable or immovable, of himself or of any other person, against any act which is an offence falling under the definition of theft, robbery, mischief or criminal trespass.'
Etymology & Origin
From Latin 'jus defensionis' (right of defence). 'Private' defence means the defence exercised by the private individual (not the State) — the individual's right to protect themselves without waiting for the State's law enforcement machinery.
Full Legal Analysis
Right of Private Defence: The Law’s Licence to Protect
The right of private defence is the citizen’s most fundamental self-protective right — the law's recognition that a person facing imminent harm need not wait for the police before acting. It is not a licence for vengeance, vigilantism, or disproportionate retaliation; it is a carefully calibrated exception that allows reasonable, necessary, proportionate force to be used in the face of real, immediate danger.
When Can Death Be Caused in Private Defence?
Section 31 BNS (formerly Section 100 IPC) lists the circumstances where the right of private defence of the body extends to causing death: (a) assault reasonably apprehended to cause death; (b) assault reasonably apprehended to cause grievous hurt; (c) assault with intent to commit rape; (d) assault with intent to commit gratifying unnatural lust; (e) assault with intent to kidnap or abduct; (f) assault with intent to wrongfully confine, under circumstances that raise apprehension that the person cannot appeal for protection; (g) an act of throwing or administering acid. Outside these situations, only non-fatal force is permissible in defence of the body.
Proportionality and Excess of Private Defence
The right of private defence must be exercised proportionately. Exceeding the right — using more force than was reasonably necessary — is a culpable offence (Section 34 BNS, formerly Section 106 IPC), though with reduced punishment compared to the offence without the private defence context. Courts examine: (a) Was the threat real or reasonably apprehended? (b) Was there time to seek public protection? (c) Was the harm caused reasonably proportionate to the threat? If the accused acted under genuine (even mistaken) apprehension of an attack, Indian courts apply a generous standard — the person defending themselves is not required to make a scientifically precise assessment of the threat in the heat of the moment.
“The right of private defence is the law’s acknowledgement that the State cannot always be there to protect its citizens. In the moment of actual attack, the citizen is their own first responder. The law authorises reasonable force — and only reasonable force — to meet that responsibility.”
This Term in Indian Statutes
Bharatiya Nyaya Sanhita, 2023, 2023
"Nothing is an offence which is done in the exercise of the right of private defence."
Right of private defence: acts done in self-defence are not offences — subject to proportionality and necessity
