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IPC Section 138 – Abetment of Act of Insubordination by Soldier, Sailor or Airman

Adv. Kuldeep Kumar June 10, 2026 5 min read

Section Overview

Section Number:

IPC Section 138

Section Title:

Abetment of Act of Insubordination by Soldier, Sailor or Airman

Act:

Indian Penal Code, 1860 (IPC)

Status:

Replaced under the Bharatiya Nyaya Sanhita (BNS), 2023

Applicability:

IPC Section 138 applies when:

  • A person abets an act of insubordination.

  • The act is committed by an officer, soldier, sailor, or airman.

  • The military personnel belong to the Army, Navy, or Air Force of the Government of India.

The section safeguards military discipline and obedience to lawful authority.

Original Law Text

"Whoever abets what he knows to be an act of insubordination by an officer, soldier, sailor or airman, in the Army, Navy or Air Force of the Government of India, shall, if the act of insubordination be committed in consequence of that abetment, be punished with imprisonment of either description for a term which may extend to six months, or with fine, or with both."

Section Explanation

Simple Explanation (Plain English/Hinglish)

IPC Section 138 ka simple matlab hai:

Agar koi vyakti Army, Navy ya Air Force ke kisi member ko superior authority ke orders na maanne, discipline todne ya insubordination karne ke liye uksata hai, aur military personnel waqai aisa karta hai, to us vyakti par IPC Section 138 lag sakta hai.

Simple words mein:

"Military personnel ko discipline todne ya orders na maanne ke liye bhadkana crime hai."

Legal Definition

The section punishes:

  • Abetment of insubordination,

  • By military personnel,

  • Where the act of insubordination is actually committed,

  • As a consequence of the abetment.

Actual commission of the act is necessary for liability under this section.

Practical Interpretation

Military forces operate through:

  • Discipline,

  • Hierarchy,

  • Obedience,

  • Command structure.

Any attempt to encourage soldiers or officers to disobey lawful authority can seriously affect military efficiency.

Therefore, the law criminalizes such conduct.

Essential Ingredients of IPC Section 138

Abetment

The accused must:

  • Instigate,

  • Conspire,

  • Intentionally aid,

the act of insubordination.

Knowledge

The accused must know that the act being encouraged amounts to insubordination.

Military Personnel

The person committing the act must be:

  • Officer,

  • Soldier,

  • Sailor,

  • Airman.

Actual Commission

The act of insubordination must actually occur.

Causal Connection

The insubordination must result from the abetment.

Meaning of Insubordination

Insubordination generally refers to:

  • Refusal to obey lawful orders,

  • Defiance of superior authority,

  • Disrespect toward commanding officers,

  • Breach of military discipline.

The precise meaning may depend on military law and service regulations.

Meaning of Abetment

Under the IPC, abetment may occur through:

Instigation

Encouraging military personnel to disobey orders.

Conspiracy

Planning acts of disobedience.

Intentional Aid

Providing assistance or support for such conduct.

Why IPC Section 138 Was Introduced?

The legislature intended to:

  • Preserve military discipline.

  • Protect the chain of command.

  • Prevent external interference.

  • Maintain operational effectiveness.

Without discipline, military organizations cannot function effectively.

Importance of Military Discipline

Military success depends on:

  • Immediate compliance with orders.

  • Respect for authority.

  • Organizational unity.

  • Operational readiness.

Acts of insubordination can weaken these foundations.

National Security Perspective

Encouraging military personnel to ignore orders may:

  • Disrupt operations.

  • Reduce troop effectiveness.

  • Create confusion.

  • Endanger national defence.

Therefore, even outsiders who encourage such behaviour may be punished.

Difference Between Insubordination and Mutiny

Insubordination

Disobedience or defiance of authority.

Mutiny

Collective rebellion against military authority.

Mutiny is generally much more serious and attracts harsher punishment.

Requirement of Actual Commission

The section applies only when:

  • The act of insubordination actually takes place.

If the act is never committed, other provisions may become relevant instead.

Punishment & Legal Classification

Punishment

IPC Section 138 provides:

  • Imprisonment up to 6 months, or

  • Fine, or

  • Both.

Bailable / Non-Bailable

Generally Bailable.

Cognizable / Non-Cognizable

Generally Cognizable.

Compoundable

Non-Compoundable.

Triable By

Any Magistrate.

IPC ↔ BNS Mapping

IPC Section

IPC Section 138

BNS Equivalent

The Bharatiya Nyaya Sanhita continues to protect military discipline and punish conduct that encourages disobedience within the armed forces.

Status

IPC repealed and replaced by BNS.

The underlying principle remains substantially preserved.

Real-Life Examples

Example 1: Encouraging Refusal of Orders

A civilian encourages soldiers to ignore a lawful command issued by their superior officer.

The soldiers refuse to comply.

Section 138 may apply.

Example 2: Planned Disobedience

A person convinces an airman not to follow operational instructions.

The airman acts accordingly.

Liability may arise under Section 138.

Example 3: Organized Defiance

An individual persuades a group of sailors to disregard official directives from commanding officers.

The sailors carry out the disobedience.

Section 138 can be invoked.

Landmark Judgments

Case Name:

Kehar Singh v. State (Delhi Administration)

Court:

Supreme Court of India

Key Takeaway:

The Court discussed principles governing abetment and criminal participation.

Case Name:

Jamuna Singh v. State of Bihar

Court:

Supreme Court of India

Key Takeaway:

The judgment clarified the legal requirements for establishing abetment.

Case Name:

State of Maharashtra v. Som Nath Thapa

Court:

Supreme Court of India

Key Takeaway:

The Court emphasized the importance of intention and participation in offences involving abetment.

Legal Insights

When Is This Section Applied?

Section 138 is invoked when:

  • Military personnel commit insubordination.

  • Another person encouraged or assisted the act.

  • Evidence establishes a connection between abetment and conduct.

  • The act affects military discipline.


Common Misuse Scenarios

No Abetment

The accused never encouraged the conduct.

No Insubordination

The act may not legally qualify as insubordination.

Independent Decision

The military personnel acted on their own.

False Allegations

Accusations may be made without sufficient proof.


Defenses Available

No Instigation

No encouragement or assistance occurred.

Lack of Knowledge

The accused did not know the act amounted to insubordination.

No Causal Link

The conduct occurred independently.

Insufficient Evidence

The prosecution cannot prove participation.

False Implication

The allegations are unsupported by reliable evidence.

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 138 punishes abetment of an act of insubordination by military personnel.

Imprisonment up to six months, fine, or both.

Generally, yes.

Generally, yes.

Insubordination means disobedience or defiance of lawful military authority.

Any person who intentionally abets the act of insubordination.

Yes. The act of insubordination must be committed.

It protects military discipline and command structures.

Yes. Civilians who abet insubordination may be prosecuted.

The Bharatiya Nyaya Sanhita contains corresponding provisions aimed at preserving military discipline and obedience.
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