Law of Crimes
Subjects / Law of Crimes / General Exceptions: Overview
Unit 2 · General Exceptions & Abetment

General Exceptions: Overview

BNS Chapter III (S.14 to S.44) provides general exceptions that negate criminal liability; they apply to every offence in the Sanhita by virtue of S.3(1) without needing express mention; they cover mistake of fact, judicial acts, accident, necessity, infancy, insanity, intoxication, consent, duress, trifling harm, and private defence.

BNS Chapter III (S.14 to S.44) sets out the General Exceptions: circumstances in which an act that would otherwise be an offence ceases to be one. They operate as complete defences, negating liability entirely rather than merely reducing the offence to a lesser one.

BNS 2023 Renumbering

BNS S.14 to S.44 correspond to IPC S.76 to S.106. The sequence and substance are preserved with only minor wording changes. The Right of Private Defence (BNS S.34 to S.44) corresponds to IPC S.96 to S.106.

How the General Exceptions Operate

S.3(1) provides: every definition of an offence, every penal provision, and every illustration is subject to the exceptions in Chapter III, even though they are not repeated in the definition or penal provision.

This means:

  • The prosecution need not negate every exception in the charge sheet.
  • The accused must raise the exception and place materials before the court, though the ultimate burden of proof remains on the prosecution.
  • The standard for the accused is to make the exception probable, not to prove it beyond reasonable doubt.

Classification of the General Exceptions

Category Sections Principle
Judicial and lawful acts S.14 (bound by law), S.15 (Judge), S.16 (court order), S.17 (justified by law) Acts done under authority of law
Accident S.18 No criminal intention, lawful act, lawful means, proper care
Necessity S.19 Act likely to cause harm done without criminal intent to prevent greater harm
Infancy S.20 (under 7), S.21 (7 to 12, immature understanding) Incapacity by reason of age
Insanity S.22 Incapacity by reason of unsoundness of mind
Intoxication S.23 (involuntary), S.24 (voluntary, for specific intent offences) Distinction between involuntary and voluntary intoxication
Consent S.25, S.26, S.27, S.28, S.29 Acts done with consent, subject to limits
Benefit without consent S.30 Emergency surgery, rescue
Communication in good faith S.31 Honest communication for the recipient's benefit
Duress S.32 Compulsion by threat of instant death (excludes murder and offences against the State)
Trifling harm S.33 Harm so slight that no reasonable person would complain
Private defence S.34 to S.44 Right to defend person and property

Key Exceptions in Detail

Mistake of Fact (S.14, S.17)

S.14: Nothing is an offence which is done by a person who is, or who by reason of a mistake of fact and not by reason of a mistake of law in good faith believes himself to be, bound by law to do it.

S.17: Same principle for a person who is justified by law or believes himself justified by a mistake of fact.

Basis Mistake of Fact Mistake of Law
Effect Excuses, if in good faith Never excuses
Example A police officer arrests Z believing Z to be the wanted criminal Y A person believes his conduct is lawful because he misunderstands the statute
Authority S.14, S.17 State of Maharashtra v MH George (1965): ignorance of law is no defence

Why the distinction exists: Every person is presumed to know the law. If mistake of law excused, every accused would plead ignorance and the law would be unenforceable. Mistake of fact is different because it negates the mens rea: the accused believed he was acting in circumstances where his act was lawful, and no blame attaches.

Infancy (S.20, S.21)

Age Position
Under 7 (S.20) Absolute immunity. Nothing done by a child under seven is an offence. No inquiry into maturity
7 to 12 (S.21) Qualified immunity. Not an offence if the child has not attained sufficient maturity of understanding to judge the nature and consequences of his conduct on that occasion
Above 12 Full criminal capacity; tried as a juvenile under the JJ Act 2015 but liable for the offence

Insanity (S.22)

Nothing is an offence which is done by a person who, at the time of doing it, by reason of unsoundness of mind, is incapable of knowing:

  • The nature of the act, or
  • That he is doing what is either wrong or contrary to law.

This is the McNaghten test as codified. The key is incapacity at the time of the act. A person may be generally of unsound mind but capable of knowing right from wrong on a particular occasion.

Intoxication (S.23, S.24)

Type Section Effect
Involuntary (administered without knowledge or against will) S.23 Complete defence, treated like insanity
Voluntary S.24 Not a defence. The accused is deemed to have the same knowledge he would have had if sober

Why voluntary intoxication is no excuse: A person who voluntarily puts himself into a state of incapacity cannot complain that the law holds him to the standard of a sober person. Allowing the defence would incentivise intoxication as a preliminary to crime.

Section Rule
S.25 Act not intended and not known to be likely to cause death or grievous hurt, done by consent of a person above 18, is no offence
S.26 Act not intended to cause death, done in good faith for the benefit of the person consenting, is no offence
S.27 Act done in good faith for the benefit of a child under 12 or a person of unsound mind, by or with the consent of the guardian
S.28 Consent given under fear, misconception, unsoundness, intoxication, or by a child under 12 is not valid consent
S.29 Acts that are offences independently of harm caused are not excused by consent (e.g. causing miscarriage)

Duress (S.32)

Nothing is an offence which is done by a person who is compelled by threats causing a reasonable apprehension that instant death will otherwise be the consequence.

Limits:

  • Does not apply to murder or to offences against the State punishable with death.
  • The person must not have voluntarily placed himself in the position.

Trifling Harm (S.33)

Nothing is an offence by reason that it causes harm, if that harm is so slight that no person of ordinary sense and temper would complain.

Burden of Proof for General Exceptions

On whom Standard Authority
The accused must raise the exception By placing materials before the court (not necessarily by testifying) S.104 BSA (formerly S.105 IEA)
The prosecution retains the ultimate burden Must disprove the exception beyond reasonable doubt once raised General principle
The accused's burden Only to make the defence probable, not to prove it beyond reasonable doubt Dahyabhai v State of Gujarat (1964)

Recall Check

  1. How do the General Exceptions apply to every offence even though they are not repeated in each section?
  2. What is the distinction between mistake of fact and mistake of law?
  3. Name the three age brackets for infancy and the rule in each.
  4. Why is voluntary intoxication not a defence?

Key Cases

State of Maharashtra v MH George (1965) State of Maharashtra v MH George 1965
Issue: Mistake of law as a defence.
Rule: Ignorance of law is never a defence. Only mistake of fact in good faith excuses.
Held: The accused was liable despite ignorance of the prohibitory notification.

Distinctions

Basis Justification (S.14 to S.19) Excuse (S.20 to S.24)
Nature The act is right in the circumstances The act is wrong, but the actor is not blameworthy
Example A soldier fires on a mob by order of a superior (S.14) A child under 7 kills (S.20)
Effect on third parties Third parties may not use private defence against a justified act Third parties may use private defence against an excused act (S.36)
Moral assessment The actor did nothing wrong The actor did wrong but is excused from punishment
Basis General Exception (Ch.III) Special Exception (within an offence section)
Scope Applies to all offences Applies only to the specific offence
Example S.22 (insanity) applies to murder, theft, etc. Exception 1 to S.101 (grave and sudden provocation) applies only to murder
Burden On the accused to raise On the accused to prove (same standard)
Effect Acquittal Reduction (e.g. murder to culpable homicide)

Flashcards

How do the General Exceptions apply to every offence?

By virtue of S.3(1), every definition and penal provision is subject to Chapter III, even though the exceptions are not repeated in each section.

Is mistake of law a defence?

Never. Only mistake of fact in good faith excuses (S.14, S.17).

What is the age of absolute immunity?

Under seven years (S.20). Nothing done by such a child is an offence.

When is intoxication a defence?

Only when the intoxicating substance was administered without the person's knowledge or against his will (S.23). Voluntary intoxication is never a defence (S.24).

What is the McNaghten test as codified in BNS?

S.22: a person is excused if, at the time of the act, by reason of unsoundness of mind, he was incapable of knowing the nature of the act or that it was wrong or contrary to law.

What offences cannot be excused by duress under S.32?

Murder and offences against the State punishable with death.

Exam Scenario

Problem: Kamal, aged 10, picks up a loaded pistol from his father's drawer and shoots his younger sibling, killing the child. Kamal tells the police he "wanted to see what would happen." Separately, Latif, aged 25, is forcibly injected with a hallucinogenic drug at a party. In his altered state he attacks a stranger with a bottle, causing grievous hurt. Advise on the applicability of the General Exceptions.

Step 1: Test Kamal under S.21 (child aged 7 to 12)

Kamal is 10 years old, so he falls between 7 and 12. S.20 (absolute immunity for under 7) does not apply. S.21 applies: the act is not an offence if the child has not attained sufficient maturity of understanding to judge the nature and consequences of his conduct.

Factor Assessment
Age 10 years, within the S.21 bracket
Statement "wanted to see what would happen" suggests curiosity, not understanding of lethal consequence
Maturity inquiry The court must assess whether this particular child understood that firing a loaded pistol at a person would kill

If the court finds Kamal lacked sufficient maturity, S.21 acquits. If the court finds he understood the consequence, S.21 does not protect him and he is triable (under the Juvenile Justice Act 2015 for procedure, but the offence is made out).

Step 2: Test Latif under S.23 (involuntary intoxication)

S.23 excuses a person who, at the time of the act, by reason of intoxication, is incapable of knowing the nature of the act or that it is wrong, provided the intoxicating thing was administered without his knowledge or against his will.

Element On these facts
Intoxication Yes, a hallucinogenic drug
Involuntary Yes, forcibly injected
Incapacity In an altered state, likely incapable of knowing the nature of the attack

All elements are satisfied. S.23 acquits Latif.

Step 3: Contrast with voluntary intoxication

Had Latif voluntarily taken the drug, S.24 would apply: he would be deemed to have the same knowledge as he would have had if sober. The defence would fail, and he would be liable for voluntarily causing grievous hurt.

Two traps in this problem

S.21 is not automatic for children 7 to 12. It requires an inquiry into the individual child's maturity on the occasion. "Wanted to see what would happen" is ambiguous and could go either way depending on the child's overall development.

S.23 requires proof that the substance was administered against the person's will. If Latif accepted the injection willingly (even without knowing what it was), the position becomes more complex. "Forcibly injected" puts the point beyond doubt.

Conclusion. Kamal's liability turns on the S.21 maturity inquiry. Latif is acquitted under S.23 because the intoxication was involuntary.

See Also