Bharatiya Nyaya Sanhita (BNS) · General Principles of Criminal Liability
Intoxication Sections 23 24 BNS
Intoxication as a General Exception: Sections 23 and 24 BNS
Intoxication distorts judgment, blurs perception, and lowers self control. The criminal law asks a hard question: should the person who is drunk when he commits the offence be treated the same as the person who is sober? The answer, in most legal systems and in Indian law, depends on how the person came to be intoxicated. Involuntary intoxication, where the intoxicant was administered against the person's will or without his knowledge, is a full defence. Voluntary intoxication is generally not a defence, though it may negate the specific intent for offences that require one. This module walks through Sections 23 and 24 of the Bharatiya Nyaya Sanhita, 2023, the classical distinction between voluntary and involuntary intoxication, and the leading Indian and English authorities.
1. Meaning and Concept
Intoxication in the criminal law sense
Intoxication, in the criminal law sense, is the state of impaired mental functioning caused by the consumption of alcohol, drugs, or any other intoxicating substance. The impairment must be significant enough to affect the accused's capacity to know the nature or wrongness of his act, or to form the specific mental element the offence requires. A person who has had a small amount of alcohol but is not appreciably impaired is not, for the purposes of the criminal law, intoxicated.
Voluntary vs involuntary intoxication
The two categories
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Rationale for the different treatment
- Voluntary intoxication is a form of moral fault. The person who chooses to drink accepts the risk of what he may do while drunk. The law refuses to allow him to escape criminal responsibility by pointing to a condition he brought upon himself.
- Involuntary intoxication is not a matter of choice. The person did not choose to be in the state of impaired judgment. His mind was rendered incapable of forming the required mens rea through no fault of his own. The law treats him as it treats a person of unsound mind under Section 22 BNS.
- Specific intent offences pose a special problem. Even where the intoxication was voluntary, if the accused was so impaired that he could not form the specific intent the offence requires, the offence itself is not made out. The law then convicts him of a lesser offence that does not require the specific intent.
2. Historical Origin
Roman law
Roman law took a hard line on voluntary intoxication. A drunken offender was liable for the offence, and drunkenness was treated as an aggravating rather than mitigating factor. This reflected the moral view that a person who chose to drink chose the consequences. Involuntary intoxication was recognised as an excuse, but it was strictly proved.
English common law
English common law inherited the Roman position. Sir Matthew Hale, in Pleas of the Crown (1736), wrote that voluntary intoxication does not extenuate an offence. Blackstone, in the Commentaries (1765), described drunkenness as an aggravation of the offence. The strictness of the classical position began to soften in the nineteenth century, as the courts recognised that voluntary intoxication might negate the specific mental state required for certain offences.
DPP v. Beard (1920)
📖 Director of Public Prosecutions v. Beard, [1920] AC 479 Beard, a drunken watchman, attacked a young girl and, in the course of the assault, put his hand over her mouth. She died of suffocation. He was convicted of murder. On appeal, the House of Lords set out the modern English law of intoxication. Lord Birkenhead LC laid down three propositions: (i) if the accused was so drunk that he was incapable of forming the specific intent required for the offence, he cannot be convicted of that offence; (ii) evidence of drunkenness falling short of this level, though relevant to any mental element, does not rebut the ordinary presumption that a man intends the natural consequences of his acts; (iii) evidence of drunkenness that produced insanity, either temporary or permanent, is a defence in the same way as insanity by other causes. |
Beard's case has governed the English law of intoxication ever since, subject to some refinement in later decisions. Its three propositions are also reflected in the Indian statutory framework, though with modifications.
Reception into the IPC
Sections 85 and 86 IPC codify the doctrine of intoxication. Section 85 provides the defence of involuntary intoxication. Section 86 governs voluntary intoxication and its effect on specific intent offences. The Bharatiya Nyaya Sanhita retains both sections, unchanged in substance, as Sections 23 and 24 respectively.
3. Statutory Provisions
Section 23 BNS (formerly Section 85 IPC): involuntary intoxication
Section 23 BNS Nothing is an offence which is done by a person who, at the time of doing it, is, by reason of intoxication, incapable of knowing the nature of the act, or that he is doing what is either wrong or contrary to law: provided that the thing which intoxicated him was administered to him without his knowledge or against his will. |
Section 24 BNS (formerly Section 86 IPC): voluntary intoxication
Section 24 BNS In cases where an act done is not an offence unless done with a particular knowledge or intent, a person who does the act in a state of intoxication shall be liable to be dealt with as if he had the same knowledge as he would have had if he had not been intoxicated, unless the thing which intoxicated him was administered to him without his knowledge or against his will. |
The two sections work together. Section 23 provides the full defence of involuntary intoxication. Section 24 provides that voluntary intoxication does not excuse and, in offences requiring particular knowledge or intent, the accused is treated as if he had the mental faculties of a sober person. But Section 24 does not say that voluntary intoxication is treated as if the accused had the required intent. It says he is treated as if he had the same knowledge as a sober person, which is a narrower rule.
4. Ingredients of Section 23 (Involuntary Intoxication)
The three cumulative requirements
All three must be established
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The section thus tracks Section 22 BNS on unsoundness of mind, but with an intoxication precondition. The test is cognitive: the accused must have been incapable of knowing the nature or wrongness of the act. Voluntary conscious wrongdoing while intoxicated is not covered, even if the intoxication was involuntary.
Illustrations
- A's drink is spiked with a drug that causes delirium. He, in that state, assaults B. If he was incapable of knowing the nature or wrongness of the assault, Section 23 protects him.
- A is given morphine as medicine without being told of its intoxicating effect. He, in that state, sets fire to his own house believing it to be a dragon. Section 23 protects him, provided the incapacity is proved.
- A voluntarily drinks alcohol at a party and, becoming drunk, assaults B. Section 23 does not apply. His intoxication was voluntary, and Section 24 governs the case.
5. Ingredients of Section 24 (Voluntary Intoxication)
The general rule: presumption of knowledge
Section 24 BNS provides that voluntary intoxication does not extenuate an offence. The accused is treated as if he had the same knowledge as a sober person would have had. He cannot say: I did not know the natural consequences of my act because I was drunk. The presumption of knowledge is imposed by law.
The exception: absence of specific intent
The section speaks of knowledge, not of intent. Where the offence requires a specific intent (as distinct from mere knowledge), voluntary intoxication may negate that specific intent. This is not a full defence: the accused remains liable for whatever lesser offence is made out on the mens rea he did possess. This is the classical Beard rule as applied in India.
Illustrations
- A drunkenly strikes B with a heavy object. B dies. Section 24 imposes on A the knowledge that a sober person would have had, that a heavy blow to the head is likely to cause death. A is guilty of culpable homicide.
- A drunkenly takes B's watch, honestly believing it to be his own. If A was so drunk that he could not form the dishonest intention required for theft, he is not guilty of theft. But the exception is narrow and is rarely successful.
- A drunkenly attacks B with intent to kill him. B does not die. If A was so drunk that he could not form the specific intent to kill, he is not guilty of attempt to murder, though he may be guilty of a lesser offence such as attempt to cause grievous hurt. Basdev applies this distinction.
6. Sections 23 and 24 Compared
Section 23: Involuntary Intoxication | Section 24: Voluntary Intoxication |
Involuntary intoxication. | Voluntary intoxication. |
Substance administered without knowledge or against the will of the accused. | Substance consumed knowingly by the accused. |
Full defence, provided the intoxication rendered the accused incapable of knowing the nature or wrongness of the act. | Not a defence. The accused is treated as if he had the same knowledge as a sober person. |
Tracks Section 22 BNS (unsoundness of mind). | Only limited relief: where the offence requires a specific intent, voluntary intoxication may negate that intent, reducing the offence to a lesser one. |
Test: cognitive incapacity to know nature or wrongness. | Test: whether the accused could form the specific intent, where the offence requires one. |
Illustrations: spiked drink, medicine given without disclosure, forced consumption. | Illustrations: alcohol at a party, self administered drugs, recreational intoxication. |
7. Specific Intent vs Basic Intent
The DPP v. Beard distinction
English law distinguishes offences of specific intent from offences of basic intent. Specific intent offences require the accused to have had a particular purpose or ulterior mental state beyond the mere doing of the act. Murder (intention to cause death), attempt to murder, theft (dishonest intention), and cheating (dishonest or fraudulent intention) are examples. Basic intent offences require only that the accused intended to do the physical act. Assault, hurt, and most public order offences are examples.
The relevance of the distinction to intoxication is this. Voluntary intoxication may negate the specific intent for a specific intent offence, reducing the charge to a lesser offence for which basic intent is enough. But voluntary intoxication does not negate basic intent, because the accused can always be said to have intended the physical act.
Application in Indian law
Indian courts have adopted the Beard framework, though not always in the same terms. Basdev v. State of Pepsu (1956) is the leading Indian authority. The Court held that voluntary intoxication can reduce murder to culpable homicide not amounting to murder, if the accused was so intoxicated that he could not form the specific intention required for murder. But the intoxication must be severe. Ordinary drunkenness that leaves the accused capable of forming an intention is not enough.
Effect on murder and culpable homicide
The most litigated application of Section 24 BNS is in homicide cases. If A, voluntarily drunk, kills B, three possibilities arise:
i. A was so intoxicated that he could not form any intention or knowledge. Section 22 BNS on unsoundness of mind may apply (if the intoxication produced a temporary insanity). If it does, the acquittal is complete.
ii. A was significantly intoxicated but could form some mental state. He could not form the specific intent for murder (intention to cause death, or intention to cause bodily injury sufficient in the ordinary course to cause death). But he could form the knowledge that his act was likely to cause death. The charge is reduced from murder (Section 103 BNS) to culpable homicide not amounting to murder (Section 105 BNS).
iii. A's intoxication was not enough to affect his mental state. He is treated as sober, and the ordinary law of murder applies.
8. Judicial Elaboration
DPP v. Beard
Discussed above. The foundational modern English case, and the source of the three propositions Indian courts have applied under Section 86 IPC (now Section 24 BNS).
Basdev v. State of Pepsu
📖 Basdev v. State of Pepsu, AIR 1956 SC 488 The appellant, a retired military man, shot dead a young boy at a wedding after both had been drinking heavily. He argued that his voluntary intoxication reduced the offence to culpable homicide not amounting to murder. The Supreme Court examined the Beard rule and its Indian application. The Court held that mere drunkenness is not enough. The intoxication must be so severe as to render the accused incapable of forming the specific intent required for murder. On the facts, the Court found that the accused was capable of forming the required intent, and the conviction for murder was upheld. Rule: voluntary intoxication reduces murder to culpable homicide only where the intoxication was severe enough to negate the specific intent. |
Chet Ram v. State
📖 Chet Ram v. State, AIR 1971 HP 43 The Himachal Pradesh High Court applied Basdev in a case where the accused, drunk, had attacked and killed his wife. The Court held that where the accused was so drunk that he could not form the intention required for murder, the offence was reduced to culpable homicide. Ordinary drunkenness that leaves the accused capable of forming an intention is not sufficient. |
Bablu alias Mubarik Hussain v. State of Rajasthan
📖 Bablu alias Mubarik Hussain v. State of Rajasthan, (2006) 13 SCC 116 The Supreme Court considered the plea of intoxication in a case of multiple murder. The Court held that the burden of proving intoxication of the degree required to negate specific intent is on the accused. Bare assertion, or evidence of consumption of alcohol, is not enough. The accused must show, on a preponderance of probabilities, that his mental faculties were so impaired that he could not form the required intent. The plea failed on the facts. |
Mavari Surya Satyanarayana v. State of Andhra Pradesh
📖 Mavari Surya Satyanarayana v. State of Andhra Pradesh, (2009) 9 SCC 715 The Supreme Court reiterated the classical Indian position. The proof of drunkenness must go beyond the mere consumption of alcohol and must establish that the accused was so intoxicated that he could not form the specific intent. Mere presence of alcohol in the blood, or evidence that the accused had been drinking, is not enough. The threshold for reducing murder to culpable homicide on grounds of voluntary intoxication is high. |
9. Burden of Proof
The burden of proving intoxication is on the accused, in the same way that the burden of proving unsoundness of mind is on the accused. Section 108 of the Bharatiya Sakshya Adhiniyam, 2023, applies. The standard is preponderance of probabilities. Even where the accused fails on this standard, if the evidence of intoxication creates a reasonable doubt on the mens rea required by the offence, the accused is entitled to acquittal or to conviction of the lesser offence (the Dahyabhai principle applied).
The two step analysis for voluntary intoxication
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10. Consolidated Landmark Judgments
- Director of Public Prosecutions v. Beard, [1920] AC 479. Foundational English case. Three propositions on intoxication and criminal responsibility.
- Basdev v. State of Pepsu, AIR 1956 SC 488. Leading Indian case. Voluntary intoxication reduces murder to culpable homicide only where severe enough to negate specific intent.
- Chet Ram v. State, AIR 1971 HP 43. Application of Basdev in a domestic homicide case.
- Bablu alias Mubarik Hussain v. State of Rajasthan, (2006) 13 SCC 116. Burden of proof on the accused. Mere consumption of alcohol is not enough.
- Mavari Surya Satyanarayana v. State of Andhra Pradesh, (2009) 9 SCC 715. High threshold for reducing murder to culpable homicide.
- Bhagwan Tukaram Dange v. State of Maharashtra, (2014) 4 SCC 270. Voluntary intoxication and its effect on the specific intent for murder.
- Ramesh Kumar v. State of Rajasthan, (2011) 3 SCC 685. Reaffirmation of the classical Indian position on voluntary intoxication.
- R. v. Majewski, [1977] AC 443. English case distinguishing specific intent from basic intent offences. Voluntary intoxication is no defence to basic intent offences.
- Nayagam v. State of Madras, AIR 1957 SC 656. Voluntary drunkenness and the presumption of knowledge under Section 86 IPC (now Section 24 BNS).
- State of Madhya Pradesh v. Ahmadulla, AIR 1961 SC 998. Distinction between voluntary and involuntary intoxication in the Indian context.
Frequently Asked Questions
Is intoxication a defence to a criminal charge in India?
Involuntary intoxication is a full defence under Section 23 BNS, provided the accused was incapable of knowing the nature or wrongness of the act. Voluntary intoxication is not a defence under Section 24 BNS, but it may negate the specific intent for offences that require one, reducing the offence to a lesser one.
What is the difference between voluntary and involuntary intoxication?
Voluntary intoxication is where the accused knowingly consumed the intoxicating substance (alcohol at a party, self-administered drugs). Involuntary intoxication is where the substance was administered to the accused without his knowledge or against his will (spiked drink, medicine given without disclosure). Involuntary intoxication is a full defence; voluntary intoxication is not.
What does Section 23 BNS provide?
Section 23 BNS (formerly Section 85 IPC) provides that nothing is an offence which is done by a person who, at the time of doing it, is by reason of intoxication incapable of knowing the nature of the act, or that he is doing what is either wrong or contrary to law, provided that the thing which intoxicated him was administered to him without his knowledge or against his will.
What does Section 24 BNS provide?
Section 24 BNS (formerly Section 86 IPC) provides that in cases where an act is an offence only if done with particular knowledge or intent, a person who does the act in a state of intoxication is treated as if he had the same knowledge as if he had not been intoxicated, unless the intoxication was involuntary. Voluntary intoxication does not extenuate the offence.
Can voluntary intoxication reduce murder to culpable homicide?
Yes, but only where the intoxication was severe enough to render the accused incapable of forming the specific intent for murder. Basdev v State of Pepsu, AIR 1956 SC 488, is the leading case. Ordinary drunkenness that leaves the accused capable of forming an intention is not sufficient. The threshold is high.
What is the difference between specific intent and basic intent offences?
Specific intent offences require a particular purpose or ulterior mental state beyond the mere doing of the act (murder, theft, cheating, attempt to murder). Basic intent offences require only that the accused intended the physical act (assault, hurt, most public order offences). Voluntary intoxication may negate specific intent but not basic intent.
Related Topics on The Legal Bridge
For a fuller picture, read these companion notes on adjacent doctrines and provisions:
- General Exceptions under the BNS: the wider chapter (Sections 14 to 44) in which Sections 23 and 24 sit.
- Unsoundness of Mind as General Exception: the parallel doctrine under Section 22 BNS for adults incapable of forming mens rea.
- Doli Incapax and the Age of Criminal Responsibility: another form of legal incapacity under Sections 20 and 21 BNS.
- Mens Rea in Criminal Law: the mental element that voluntary intoxication may negate for specific intent offences.
Quick Summary Under the Bharatiya Nyaya Sanhita, 2023, involuntary intoxication is a complete defence under Section 23, provided the accused was incapable of knowing the nature or wrongness of the act. Voluntary intoxication is not a defence under Section 24; it is treated as if the accused had not been intoxicated at all, unless the offence requires a specific intent that the accused was too intoxicated to form. Basdev v State of Pepsu (1956) applies the classical DPP v Beard test. |