Indian criminal law | General explanations

IPC Section 36: Effect Caused Partly by Act and Partly by Omission

Section 36 of the Indian Penal Code, 1860 explains that where causing a particular effect by an act or by an omission is an offence, the same offence can arise when that effect is caused by a combination of both. The corresponding provision under the Bharatiya Nyaya Sanhita, 2023 is Section 3(7).

Legal reference guide | Updated 28 October 2026

1. Exact legal meaning of IPC Section 36

Section 36 - Effect caused partly by act and partly by omission: "Wherever the causing of a certain effect, or an attempt to cause that effect, by an act or by an omission, is an offence, it is to be understood that the causing of that effect partly by an act and partly by an omission is the same offence."

The provision prevents a person from escaping liability merely because the prohibited result was brought about through a combination of positive conduct and failure to perform a legally required act. It is an interpretive rule, not an independent offence with its own punishment.

2. Statutory illustration: death caused by beating and withholding food

Illustration: "A intentionally causes Z's death, partly by illegally omitting to give Z food, and partly by beating Z. A has committed murder."

The illustration combines an act (beating) and an illegal omission (failure to supply food when legally required). The combination can constitute the offence where the other elements of murder, including the required mental state and causation, are proved. The word "illegally" is critical: not every failure to supply food is a criminal omission.

3. Current law: BNS Section 3(7)

The Bharatiya Nyaya Sanhita, 2023 (BNS), generally effective from 1 July 2024, contains the corresponding rule in Section 3(7). It addresses an effect caused partly by an act and partly by an omission, and retains the illustration involving intentional killing by beating and illegally withholding food. For alleged conduct predating the transition, the applicable law must be assessed in light of repeal, savings and constitutional protections.

Topic	Indian Penal Code, 1860	Bharatiya Nyaya Sanhita, 2023
Relevant provision	Section 36	Section 3(7)
Rule	Effect caused by a combination of act and omission is treated as the same offence where causing the effect by either is an offence	Corresponding general explanation
Statutory example	Intentional killing by beating and illegal withholding of food	Equivalent illustration
Independent punishment?	No	No

4. Essential legal requirements

Prohibited result or attempt: The applicable offence must cover causing, or attempting to cause, the particular effect.
Positive act: Some part of the result is caused through conduct, such as physical assault.
Illegal omission: Another part arises through a failure that is unlawful under the applicable legal duty.
Causation: The act and omission must be sufficiently connected to the prohibited result.
Required mental element: Intention, knowledge or any other fault element demanded by the underlying offence must be established.

Section 36 does not dispense with proof of any ingredient of the substantive offence. Whether an omission is illegal and whether it caused the result are fact-specific questions.

IPC Section 32 states that, unless the context indicates otherwise, words referring to acts also extend to illegal omissions. IPC Section 33 clarifies that an act may be a single act or a series of acts, and an omission may be a single omission or a series of omissions. Section 36 explains the further situation in which both contribute to one criminal result.

Under the BNS, the corresponding general explanations appear in Section 3(4) (references to acts include illegal omissions), Section 3(3) (act and omission), and Section 3(7) (combined effect).

6. Practical illustrations

Assault combined with failure to provide required care

Suppose a person who is legally responsible for another intentionally injures that person and then unlawfully withholds necessary care. If the combination causes a prohibited result, Section 36 may be relevant when applying the appropriate offence provision. The legal duty, causation and required mental state must still be proved.

Series of conduct and omissions

A prohibited effect may develop over time through several actions and failures to perform legally required duties. The analysis must consider the entire causal sequence rather than artificially separating the affirmative acts from the illegal omissions.

Important: A mere moral obligation is not necessarily a legal duty. Nor does Section 36 automatically make an accidental outcome murder. Liability depends on the particular offence, the duty to act, the evidence and the requisite intention or knowledge.

7. Frequently asked questions

What does IPC Section 36 mean?

It means that an effect caused partly by a positive act and partly by an illegal omission may constitute the same offence as an effect caused by an act or omission alone, subject to the elements of the underlying offence.

Which BNS provision corresponds to IPC Section 36?

Section 3(7) of the Bharatiya Nyaya Sanhita, 2023.

Does every failure to act count as an illegal omission?

No. The failure must be legally unlawful in the relevant circumstances. A moral expectation alone does not necessarily create criminal liability.

Does IPC Section 36 prescribe a separate punishment?

No. It is a general explanation. Any punishment comes from the applicable substantive offence.

Can an act and an omission together amount to murder?

Yes, as the statutory illustration demonstrates, where intentional killing is caused partly by beating and partly by illegally withholding food. The required ingredients of murder must be established.

8. Official legal references

This article is for general legal information and does not replace examination of the applicable statutory text and the facts of an individual case.