Indian criminal law | Historical IPC provision and current BNS
IPC Section 270: Malignant Act Likely to Spread Infection of Disease Dangerous to Life
Section 270 of the Indian Penal Code, 1860 addressed malignant acts likely to spread the infection of a disease dangerous to life. Its corresponding provision under the Bharatiya Nyaya Sanhita, 2023 (BNS), is Section 272, effective from 1 July 2024. The maximum punishment under the provision is two years of imprisonment, or fine, or both.
Former provision: IPC Section 270. Current corresponding provision: BNS Section 272. Required conduct: a malignant act likely to spread infection of a disease dangerous to life, with knowledge or reason to believe that it is likely to do so. Maximum sentence: imprisonment up to two years, or fine, or both.
What did IPC Section 270 provide?
The operative wording of IPC Section 270 was:
Whoever malignantly does any act which is, and which he knows or has reason to believe to be, likely to spread the infection of any disease dangerous to life, shall be punished with imprisonment of either description for a term which may extend to two years, or with fine, or with both.
This provision focused on the risk of spreading infection from a dangerous disease. The statutory language did not require proof that infection was actually transmitted to another person; the prosecution nevertheless had to prove the charged act, the relevant likelihood, and the mental element.
Current law: BNS Section 272
Section 272 of the Bharatiya Nyaya Sanhita, 2023 corresponds to former IPC Section 270. It addresses a person who malignantly does an act that is, and that the person knows or has reason to believe is, likely to spread the infection of a disease dangerous to life.
Punishment: imprisonment of either description for a term that may extend to two years, or fine, or both. The court determines any sentence in accordance with the applicable law and the facts proved.
Essential ingredients of the offence
- An act by the accused: identify the conduct alleged to create the risk of transmission.
- Malignant conduct: the prosecution must establish the malignant character required by the statute; a mere allegation of illness is insufficient.
- Likelihood of spreading infection: the act must be likely to spread infection of a disease dangerous to life, assessed on the evidence and circumstances.
- Knowledge or reason to believe: the accused must know, or have reason to believe, that the act is likely to spread such infection.
The term malignantly is significant: the offence is more serious than simple unlawful or negligent exposure under the neighbouring provision. Whether the statutory requirements are met is fact-sensitive.
IPC Section 269 versus Section 270: What is the difference?
| Issue | IPC 269 / BNS 271 | IPC 270 / BNS 272 |
|---|---|---|
| Nature of act | Unlawful or negligent act likely to spread infection | Malignant act likely to spread infection |
| Required awareness | Knowledge or reason to believe infection is likely to spread | Knowledge or reason to believe infection is likely to spread |
| Maximum imprisonment | Six months | Two years |
| Other possible punishment | Fine, or imprisonment and fine | Fine, or imprisonment and fine |
For an allegation involving negligence rather than malignant conduct, the distinct requirements of IPC Section 269 and BNS Section 271 should be examined.
Examples of situations requiring legal assessment
Example 1: Deliberately creating an exposure risk
A person who knows of a serious infectious risk intentionally takes action to expose others to it. Whether the act is malignant and sufficiently likely to spread infection must be established by evidence, including the nature of the disease, the conduct and the surrounding circumstances.
Example 2: An accidental encounter
A person unknowingly comes into contact with others while carrying an infection. Infection status alone does not establish the malignant act or required knowledge for BNS Section 272.
Example 3: Alleged breach of health directions
Where a person disregards a lawful disease-control direction, separate provisions concerning disobedience or quarantine rules may also need consideration. Breach of a direction does not automatically prove every element of BNS Section 272.
Evidence and legal considerations
- Nature of the disease: reliable medical or public-health evidence may help establish whether it is dangerous to life.
- Transmission risk: the prosecution must connect the alleged conduct to a likelihood of spreading infection, not merely speculate about exposure.
- State of mind: communications, warnings, conduct and surrounding facts may bear on knowledge or reason to believe, as well as malignant intent.
- Timing: the date of the alleged act determines whether the IPC or BNS framework applies, subject to repeal-and-savings provisions.
Other potentially relevant laws
BNS Section 271 addresses unlawful or negligent acts likely to spread infection of a disease dangerous to life. BNS Section 273 addresses disobedience of a quarantine rule. Other public-health laws and lawful orders may apply according to the facts; no separate offence should be assumed without examining its statutory conditions.
Frequently asked questions
Is IPC Section 270 still in force?
The IPC was repealed when the BNS came into force on 1 July 2024, subject to the savings provisions in BNS Section 358. Earlier conduct can remain governed by the IPC, depending on the legal and procedural context.
What is the current equivalent of IPC Section 270?
The corresponding provision is BNS Section 272, which concerns malignant acts likely to spread infection of a disease dangerous to life.
What is the punishment under BNS Section 272?
Imprisonment of either description for up to two years, or fine, or both.
Must somebody actually contract the disease?
The provision refers to an act likely to spread infection. Actual transmission is not an express element, although evidence about the nature and likelihood of transmission remains important.
Is every failure to follow a health precaution a malignant act?
No. The prosecution must prove the specific statutory requirements, including malignant conduct and knowledge or reason to believe the act was likely to spread infection of a disease dangerous to life.
Official legislation and related sections
- Bharatiya Nyaya Sanhita, 2023 (official India Code PDF) — see Sections 271, 272, 273 and 358.
- India Code official portal — consult the Indian Penal Code, 1860, and current legislation.
- IPC Section 269: Negligent act likely to spread infection.
- IPC Section 268: Public nuisance.
Updated 30 October 2026. This article provides general legal information; statutory text, applicable amendments and case-specific facts govern individual matters.