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IPC Section 123 – Concealing with Intent to Facilitate Design to Wage War

Adv. Kuldeep Kumar June 09, 2026 5 min read

Section Overview

Section Number:

IPC Section 123

Section Title:

Concealing with Intent to Facilitate Design to Wage War

Act:

Indian Penal Code, 1860 (IPC)

Status:

Replaced under the Bharatiya Nyaya Sanhita (BNS), 2023

Applicability:

IPC Section 123 applies when a person:

  • Knows about a plan or design to wage war against the Government of India.

  • Conceals the existence of such a plan.

  • Uses an act or illegal omission to hide that information.

  • Intends to facilitate the execution of the plan.

The offence focuses on concealment rather than direct participation in war.

Original Law Text

"Whoever, by any act, or by any illegal omission, conceals the existence of a design to wage war against the Government of India, intending by such concealment to facilitate, or knowing it to be likely that such concealment will facilitate, the waging of such war, shall be punished with imprisonment of either description for a term which may extend to ten years, and shall also be liable to fine."

Section Explanation

Simple Explanation (Plain English/Hinglish)

IPC Section 123 ka simple matlab hai:

Agar kisi vyakti ko pata hai ki Government of India ke khilaf war ya armed rebellion ki planning chal rahi hai aur woh jaan-boojhkar us information ko chhupata hai, to us par Section 123 lag sakta hai.

Yahaan vyakti ko khud war mein participate karna zaroori nahi hai.

Sirf plan ko conceal karna bhi offence hai.

Simple words mein:

"Government ke khilaf jang ki planning ki jankari chhupana bhi serious crime hai."

Legal Definition

The section criminalizes:

  • Concealment of a design to wage war.

  • Concealment by action or illegal omission.

  • Intention to facilitate war.

  • Knowledge that concealment is likely to facilitate war.

The actual waging of war need not occur.

Practical Interpretation

The law recognizes that anti-State conspiracies often depend upon secrecy.

Therefore:

  • Organizers,

  • Supporters,

  • Informants,

  • Associates,

who knowingly hide such plans can also be punished.

The objective is to prevent threats to national security at an early stage.

Essential Ingredients of IPC Section 123

Existence of a Design to Wage War

There must be a plan, conspiracy, or design to wage war against the Government of India.

Knowledge

The accused must know about the design.

Concealment

The accused must conceal the information.

Concealment may occur through:

  • Positive acts,

  • Destruction of evidence,

  • Failure to disclose information where disclosure is legally required.

Intention or Knowledge

The concealment must be intended to facilitate the war, or the accused must know that such concealment is likely to facilitate it.

Meaning of Concealment

Concealment may include:

  • Hiding documents.

  • Protecting conspirators.

  • Suppressing information.

  • Failing to report known plans.

  • Providing safe locations for secret meetings.

The exact facts determine liability.

Illegal Omission

Section 123 specifically includes illegal omission.

This means that:

A person who is legally required to provide information but deliberately remains silent may also be liable.

Difference Between Sections 121, 122, and 123

IPC Section 121

Punishes waging war, attempting war, or abetting war.

IPC Section 122

Punishes collecting arms or preparing to wage war.

IPC Section 123

Punishes concealment of plans to wage war.

Thus Section 123 deals primarily with secrecy and concealment.

Why IPC Section 123 Was Introduced?

The legislature understood that:

  • Rebellions require secrecy.

  • Conspiracies survive through concealment.

  • Early reporting can prevent national security threats.

The section therefore punishes individuals who knowingly help such plans remain hidden.

Importance for National Security

Section 123 serves as a preventive tool by:

  • Encouraging disclosure of dangerous plots.

  • Deterring concealment.

  • Helping authorities detect threats before violence occurs.

Role of Intent

Intent is a crucial ingredient.

The prosecution must show that:

  • The accused intended to facilitate the design, or

  • Knew that concealment was likely to facilitate it.

Without such knowledge or intent, criminal liability may not arise.

Punishment & Legal Classification

Punishment

IPC Section 123 provides:

  • Imprisonment up to 10 years,

  • Fine,

  • Or both.

Bailable / Non-Bailable

Non-Bailable.

Cognizable / Non-Cognizable

Cognizable.

Police may arrest without warrant.

Compoundable

Non-Compoundable.

Triable By

Court of Session.

IPC ↔ BNS Mapping

IPC Section

IPC Section 123

BNS Equivalent

The Bharatiya Nyaya Sanhita contains corresponding provisions protecting the sovereignty and security of India by addressing concealment of anti-State activities.

Status

IPC repealed and replaced by BNS.

The principle remains substantially preserved.

Real-Life Examples

Example 1: Secret Militant Plan

A person learns that an armed group is planning attacks against government institutions.

Instead of informing authorities, he deliberately hides the information.

Section 123 may apply.

Example 2: Concealing Weapons Stockpiles

An individual knows about a secret cache of weapons intended for rebellion and intentionally conceals its existence.

This may attract Section 123.

Example 3: Destruction of Evidence

A conspirator destroys documents revealing plans to wage war against the Government of India.

The conduct may amount to concealment under Section 123.

Landmark Judgments

Case Name:

Kehar Singh v. State (Delhi Administration)

Court:

Supreme Court of India

Key Takeaway:

The Court emphasized the significance of participation, knowledge, and concealment in serious offences affecting national security.

Case Name:

State (NCT of Delhi) v. Navjot Sandhu

Court:

Supreme Court of India

Key Takeaway:

The Court discussed evidence, conspiracy, and conduct that may support offences threatening the State.

Case Name:

Mohd. Ajmal Amir Kasab v. State of Maharashtra

Court:

Supreme Court of India

Key Takeaway:

The judgment highlighted the importance of preventing and punishing activities that facilitate attacks against India and its institutions.

Legal Insights

When Is This Section Applied?

Section 123 is commonly invoked when:

  • A war-related conspiracy exists.

  • Information is deliberately hidden.

  • Authorities are prevented from discovering the plot.

  • Concealment facilitates anti-State activities.


Common Misuse Scenarios

 Mere Suspicion

A person cannot be convicted merely because he heard rumors.

Actual knowledge is generally required.

 Absence of Intent

Without intent or knowledge, liability may not arise.

 No Actual Concealment

Failure to prove concealment can weaken the prosecution case.

 False Allegations

Individuals may be wrongly accused of knowing about anti-State activities.


Defenses Available

Lack of Knowledge

The accused had no knowledge of the design.

No Concealment

The alleged concealment never occurred.

No Intention to Facilitate

The accused did not intend to assist the conspiracy.

False Implication

The allegations are fabricated.

Insufficient Evidence

The prosecution cannot establish the essential ingredients of the offence.

Disclaimer: This article is for general informational purposes only and does not constitute legal advice. Please consult a qualified advocate for your specific legal matter.
Adv. Kuldeep Kumar
Verified Advocate
Bar Council Reg: BR/196/2015

Frequently Asked Questions

IPC Section 123 punishes concealment of a design to wage war against the Government of India.

No. Concealment of the design itself may be sufficient.

Imprisonment up to ten years and fine.

No. It is a non-bailable offence.

Yes. Police can arrest without warrant.

No. Concealment alone may attract liability.

Hiding information, suppressing evidence, or failing to disclose a known design to wage war.

It helps prevent threats to national security before actual violence occurs.

Yes. The section specifically includes illegal omissions.

The Bharatiya Nyaya Sanhita contains corresponding provisions dealing with concealment of activities threatening India's sovereignty and security.
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