Strikes and Lockouts in Indian Labour Law: When Collective Action Is Legal, When It Is Not

A strike is rarely just a strike. In labour law, it is a statutory event with consequences that travel far beyond the factory gate: wages may be lost, discipline proceedings may follow, criminal exposure can arise, and the law draws a distinction between a strike that is legal and one that is justified — which are not the same thing at all.

The same is true of a lockout. Employers often treat it as the mirror image of a strike, but the Industrial Disputes Act, 1947 does not allow either side to use economic pressure without restraint. The Act builds a procedural fence around collective action. Some disputes can be pressed through strike or lockout. Others cannot. Timing matters. Notice matters. The nature of the establishment matters. Whether adjudication is pending matters. Even the manner in which the action is conducted matters.¹

The legal analysis therefore begins with the statute, moves to the case law, and only then returns to the practical consequences.

I. The Statutory Definition of Strike: Section 2(q)

Section 2(q) of the Industrial Disputes Act, 1947 defines “strike” as a cessation of work by a body of persons employed in any industry acting in combination, or a concerted refusal, or a refusal under a common understanding, of any number of persons who are or have been so employed to continue to work or to accept employment.¹

Two features of the definition matter immediately. First, there must be collective action — a lone refusal is not enough; there must be a body of persons. Second, the action must be concerted — workers must act in combination or under a common understanding. A spontaneous or individual refusal to work does not fall within Section 2(q). The coordination element is what makes a strike legally distinct from individual absenteeism.

“Who are or have been employed” extends the definition to cover former employees who refuse to accept re-employment. This allows dismissed workmen to participate in sympathy actions, which is relevant to the law of unfair labour practices.

Not every form of collective industrial pressure is a strike. A go-slow or slowdown — where workers report to work but deliberately reduce their pace — is treated as misconduct and not as a strike protected by the statute. Mass casual leave taken on a particular day to apply pressure is similarly distinguished from a formal strike. Courts have consistently refused to extend the statutory immunity to these disguised forms of collective pressure.

Sympathy strikes occupy a contested space. The dominant judicial view is that a sympathy strike relating to a genuine trade dispute, called by a registered union, receives the protection of Sections 17 and 18 of the Trade Unions Act, 1926 — the criminal and civil immunities for acts done in furtherance of a trade dispute. But whether it triggers the procedural requirements of the IDA depends on the facts. In a public utility service, the Section 22 notice requirements apply to any strike regardless of whether it is sympathy or primary. In non-public utility services, a sympathy strike outside the Section 23 prohibited periods is technically legal, though its justification on the merits remains open.

II. The Statutory Definition of Lockout: Section 2(l)

Section 2(l) defines “lockout” as the temporary closing of a place of employment or the suspension of work, or the refusal by an employer to continue to employ any number of persons employed by him.¹

The word “temporary” is decisive. A lockout is an industrial pressure tactic — the employer withholds work as a bargaining measure, with the intention of resuming when the dispute resolves. This distinguishes it from closure, which is permanent or indefinite cessation of the enterprise. The distinction has concrete legal consequences: closures in establishments with one hundred or more workers require prior government approval under Section 25-M and the Chapter V-B regime; lockouts are governed by Sections 22 and 23 without the same governmental approval requirement.

The distinction between lockout and retrenchment matters equally. Retrenchment under Section 25-F terminates individual employment contracts for economic reasons. A lockout withholds work collectively, without terminating the employment relationship. The employer who locks out workers has not retrenched them; the underlying contracts subsist, and wages issues for the lockout period are governed by whether the lockout was legal and justified.

Employers have attempted to use the lockout provision pre-emptively — declaring a lockout before any strike or worker action materialises, to secure the procedural advantages of the employer-initiated suspension of work. Courts have scrutinised such pre-emptive lockouts carefully. A lockout declared without any strike or imminent threat of one, purely as an act of economic aggression, may itself be held illegal under Section 24(2).²

III. Public Utility Services: The Strict Regime Under Section 22

Section 22 imposes the most demanding procedural requirements in the strike framework. It applies only to persons employed in a public utility service.

Section 2(n) defines “public utility service” by reference to the First Schedule of the Act, which lists: railway services; any transport service for the carriage of passengers or goods by air; services in or connected with the operation of any major port or dock; any section of an industrial establishment on the working of which the safety of the establishment or the workmen therein depends; postal, telegraph, or telephone services; any industry supplying power, light, or water to the public; and systems of public conservancy or sanitation.¹ The appropriate government may by notification declare any other industry to be a public utility service.

The rationale is direct: a work stoppage in these sectors harms the community at large, not only the employer-employee relationship. The law therefore insists on advance notice and a cooling-off period.

Section 22(1) prohibits any person employed in a public utility service from going on strike without giving the employer notice of strike within six weeks before striking; without waiting fourteen days from the date of the notice; before the date specified in the notice; or during any period in which conciliation proceedings are pending before a conciliation officer and seven days after the conclusion of such proceedings.¹ The notice must specify the exact date on which the strike is intended to commence. The six-week window provides time for the notice to be received and for conciliation efforts to begin; the fourteen-day cooling-off period is the law’s mandatory pause before collective action can commence.

Section 22(2) imposes identical restrictions on lockouts in public utility services. Section 22(3) requires the employer to report the receipt of a strike notice or the giving of a lockout notice to the appropriate government or prescribed authority within five days.

Failure to comply with Section 22(1) makes the strike illegal from inception under Section 24(1)(a) — regardless of how legitimate the underlying demands may be. A one-day warning strike declared without the required notice in a power utility is illegal. An overnight stoppage by railway workers without the 14-day cooling-off period is illegal. Procedural non-compliance defeats legality completely, without any examination of the substantive merits of the dispute.

IV. The General Prohibition During Adjudication: Section 23

Section 23 applies across all industries — public utility or otherwise — and prohibits strikes and lockouts during specified periods.¹

No workman employed in any industry shall go on strike, and no employer shall declare a lockout, during the pendency of conciliation proceedings before a Board of Conciliation and seven days after their conclusion; during the pendency of proceedings before a Labour Court, Tribunal, or National Industrial Tribunal and two months after their conclusion; during the pendency of arbitration proceedings (where a Section 10A notice has been given to the appropriate government) and two months after their conclusion; or during any period in which a settlement or award is in operation in respect of the matters covered by it.

The institutional logic of Section 23 is inseparable from the philosophy of the IDA. The statute provides a sophisticated machinery of conciliation, arbitration, and adjudication. Once that machinery is invoked, economic warfare is suspended. Parties cannot simultaneously submit their dispute to adjudication and use industrial pressure to force the outcome. The adjudication process must be given the space to operate without simultaneous coercion.

This prohibition extends beyond public utility services and catches industrial actors who may not be subject to the Section 22 notice requirements at all. A strike in a private textile mill — a non-public utility — requires no advance notice. But if a reference has been made to the Labour Court and is pending, the same strike is immediately barred by Section 23, and any strike called in that period is illegal under Section 24(1)(b).

The Section 23 prohibition extends for significant periods after adjudication concludes: seven days after conciliation, two months after tribunal or arbitration proceedings. This post-conclusion period reflects the legislature’s view that the industrial climate needs time to stabilise after the conclusion of proceedings, and that immediate resort to strike action after an adverse award or settlement would undermine the entire adjudication architecture.

V. When a Strike or Lockout Is Illegal: Section 24

Section 24(1) declares a strike illegal if it is commenced or declared in contravention of Section 22 (the public utility notice requirements), during any period prohibited by Section 23, or in contravention of an order made under Section 10(3) or Section 10A(4A) prohibiting the strike pending reference.¹

Section 24(2) applies the same criteria to lockouts. Section 24(3) provides that a lockout declared in consequence of an illegal strike, or a strike declared in consequence of an illegal lockout, shall not itself be deemed illegal by reason only of that counter-action. This prevents the legal position from cascading — if one side acts illegally, the other’s reactive response is not automatically tainted.

The most important conceptual distinction in this area is between legality and justification. These are separate inquiries with separate consequences, and collapsing them is a common error.

Legality is procedural. It asks whether the strike or lockout complied with the Act’s requirements on notice, timing, and prohibition.

Justification is substantive. It asks whether the action was fair, proportionate, and grounded in a genuine industrial grievance — whether the demands were reasonable, the employer was acting in bad faith, the workers had genuinely exhausted other channels, and the strike was conducted without violence or intimidation.

A strike may be legal but unjustified. A strike may be illegal but arising from the most genuine grievances. The consequences differ in both cases, and a Labour Court examining a dismissed striker’s reinstatement application must work through both inquiries separately.

Consequences of an illegal strike: Workers lose the right to wages for the period of the strike. Criminal prosecution under Section 26(1) becomes available. Dismissal for participating may be upheld — but subject to the proportionality principle. And the employer has no civil right of action for damages: Rohtas Industries Staff Union v. State of Bihar (AIR 1963 Pat. 170) established that the duty not to strike illegally is owed to the public, not to the employer as a private litigant. The only remedy the statute provides the employer is the criminal prosecution under Section 26 — there is no supplementary civil damages action.³

Consequences of a legal but unjustified strike: No criminal liability under Section 26. But the Labour Court in its award may still deny wages for the strike period. Dismissal of workers for participating may or may not be upheld depending on the degree of unjustifiability.

VI. The Justification Doctrine: When Is a Strike Justified

Even where a strike is legal, courts ask whether it was justified on the merits. The doctrine arises most frequently when workmen dismissed for participating in a strike apply to the Labour Court for reinstatement.

Management of Chandramalai Estate v. Its Workmen (AIR 1960 SC 902) remains the foundational case.⁴ The Supreme Court identified the test for a justified strike: there must be a genuine trade dispute; the workers must have a legitimate cause arising from the employment relationship; the strike must be a response to unfair treatment or the employer’s failure to meet lawful demands; and the manner of the strike must not involve violence or intimidation.

The factors courts have consistently examined include: the reasonableness of the demands; whether the employer refused to negotiate in good faith or resorted to unfair labour practices before the strike; whether the workers had exhausted statutory channels before resorting to direct action; the manner in which the strike was conducted; whether prior notice was given (in non-public utility services, notice is not required but its presence strengthens the justification argument); and whether the demand relates to matters covered by the IDA.

The practical consequences for dismissed strikers:

A legal and justified strike: reinstatement is almost certain, with back wages unless the employer demonstrates actual inability to pay or genuine loss of work.

An illegal but justified strike: reinstatement is possible, but wages for the strike period are typically withheld, and back wages may be reduced. The worker’s legitimate grievance mitigates the illegal procedure.

An illegal and unjustified strike: dismissal is likely to be upheld. Or at most, reinstatement without back wages, depending on the degree of provocation.

Syndicate Bank v. K. Umesh Nayak (1994) 5 SCC 572 refined the analysis with the proportionality principle.⁵ The Court held that even participation in an illegal strike may not justify the maximum punishment of dismissal in every case. If the strike, though illegal, arose from genuine long-pending grievances and the workers had not previously been warned, mass dismissal of all participating workers without disciplinary inquiry may be disproportionate and set aside. The punishment must fit the particular workers’ conduct and circumstances, not merely the illegality of the collective action as a whole.

VII. Strikes in Non-Public Utility Services

For industries that are not public utility services, Section 22 does not apply. There is no statutory obligation to give advance notice before calling a strike in a non-public utility service. Workers may, in theory, commence a strike without any prior notice to the employer. However, Section 23 continues to operate with full force: no strike is permissible during pending conciliation, arbitration, or adjudication proceedings, or during the post-conclusion cooling-off periods.

A strike in a non-public utility service that is not during a prohibited period under Section 23 is technically legal. Whether it is justified depends on the adjudication of the underlying dispute. Whether workers receive wages during it depends on the no-work-no-pay principle and any final award or settlement.

Essorpe Mills Ltd. v. Presiding Officer, Labour Court (2008) 7 SCC 594 provides the textbook illustration of this complete two-stage analysis.⁶ The Supreme Court examined a strike by workers in a private textile mill — a non-public utility. First, it assessed legality under Sections 22 and 23: the workers had gone on strike while a reference was pending before the Labour Court, making the strike illegal under Section 23. Then it assessed justification on the merits: the workers’ grievances were found to be genuine and long-standing. The final order granted reinstatement but denied wages for the period of the illegal strike. The case demonstrates that even in non-public utility services, the Section 23 bar is absolute — and that the two-stage inquiry (legality, then justification) governs the entire remedial analysis.

VIII. Section 26 — Criminal Penalties

Section 26(1) of the Industrial Disputes Act, 1947 provides that any workman who commences, continues, or otherwise acts in furtherance of an illegal strike shall be punishable with imprisonment up to one month, or fine up to fifty rupees, or both. Section 26(2) imposes corresponding punishment on an employer who commences, continues, or acts in furtherance of an illegal lockout.¹

The penalty is deliberately modest — it dates from 1947 and has never been revised, reflecting the legislature’s intent to treat the offence as regulatory rather than serious. Liability is not confined to the workers who technically initiated the strike; it extends to every person who continues the action and every union officer who acts in furtherance of it.

As established in Rohtas Industries, the Section 26 criminal remedy is exclusive. The employer cannot supplement it with a civil action for damages. This is not because employers have no grievance against an illegal strike; it is because the legislature has channelled the response into the criminal mechanism and withheld the private law route. The duty is owed to the statutory scheme and to the public, not to the employer as a private claimant.

In practice, prosecutions under Section 26 are rare. The government must prosecute — the employer cannot do so directly. The fine is negligible. The imprisonment provision is seldom invoked for first-time participation. The practical weight of the provision lies less in its punitive operation and more in its doctrinal function: it confirms that illegal strikes are within the scope of the criminal law without converting every strike into a serious offence.

IX. The Essential Services Regime

The Essential Services Maintenance Act, 1981 and corresponding state legislation supplement the IDA framework by conferring emergency prohibitory powers on the appropriate government.

Under ESMA, where the government is satisfied that a strike in an essential service would prejudicially affect the maintenance of that service or the life of the community, it may by notification prohibit strikes in that service for a period not exceeding six months at a time, subject to renewal. The Schedule to ESMA covers posts and telegraphs, telephone services, railways, banking, insurance, production and distribution of essential commodities, and specified health services.

Any strike in violation of a valid ESMA prohibition order is illegal under both ESMA and the IDA and carries criminal penalties under ESMA, which provides for imprisonment up to one year or fine or both — considerably more severe than the Section 26 IDA penalty.

A note on the legal status of ESMA: the central Essential Services Maintenance Act, 1981 was a temporary statute with a sunset clause. Its current operative status must be verified against the applicable Gazette notifications, and any discussion of its application to a specific situation should reference the relevant state ESMA legislation, which operates independently and has been enacted in various forms across India. The broader principle of the essential services regime — that services critical to community life attract stricter strike regulation than ordinary industrial establishments — is well-established and operates through the IDA’s own public utility service framework even independently of ESMA.

X. The Right to Strike — Is It a Fundamental Right?

T.K. Rangarajan v. Government of Tamil Nadu (2003) 6 SCC 581 answered this question with finality.⁷ The Supreme Court held that government employees have no fundamental right to strike, no statutory right to strike, and no moral right to strike. The case arose from a strike by Tamil Nadu state government employees that paralysed public administration; the state dismissed the striking employees en masse and the Court upheld the action.

The reasoning was straightforward: Article 19(1)(c) of the Constitution guarantees the right to form associations, but this does not extend to a right to strike. Government employees are subject to service rules that expressly prohibit strikes. Their disputes must be channelled through statutory and administrative mechanisms, not through industrial pressure.

This holding applies specifically to government employees, both central and state. For private-sector workmen, the position is different. The IDA creates a conditional statutory space for strike action — when the procedural requirements of Sections 22 and 23 are satisfied, the strike is legal. That space is a statutory right, not a fundamental right. It exists because Parliament chose to create it; it can be modified or restricted by Parliament. It is not derived from Article 19 or from any constitutional guarantee.

The clean doctrinal statement, which courts and textbooks consistently use, is this: the right to strike in India is a conditional statutory right for private-sector workmen under the IDA, subject to procedural compliance; it is not a fundamental right for any worker; and it does not exist at all for government employees.

XI. The Framework Summarised

The legal framework for strikes and lockouts in India reconciles two competing imperatives. On one side is the worker’s need to exert collective economic pressure as a counterweight to managerial power — which is the foundational insight of Kahn-Freund’s analysis of labour law as a countervailing force to correct the inequality of bargaining power in the employment relationship. On the other side is the community’s need for continuity of essential services and the orderly resolution of industrial disputes through adjudication.

The Act’s solution is procedural. The right to strike is not abolished; it is conditioned. Give the required notice. Respect adjudication in progress. Do not engage in violence. Confine the action to genuine industrial disputes. Comply with these conditions and the strike is legal. Fail to comply and the consequences are wages forfeiture, criminal prosecution, and potentially justified dismissal.

The distinction between legal and illegal is procedural; the distinction between justified and unjustified is substantive. Both inquiries apply to every serious case. Together they constitute the complete analytical framework within which collective industrial action is evaluated in Indian labour law.

The author is a law student at Law Centre-1, Faculty of Law, University of Delhi. Views are personal.