Article 253 of the Indian Constitution gives Parliament the power to make laws for implementing international treaties, agreements and conventions.
It says that Parliament can make any law for the whole or any part of India to implement:
• Any treaty
• Any agreement
• Any convention
• Any decision made at an international conference, association or body
The key point is that Parliament can make such laws even on subjects that normally fall under the State List.
Constitutional Text and Scope
Article 253 is an exception to the normal federal distribution of powers.
Usually, legislative powers are divided into:
• Union List: Parliament makes laws
• State List: State legislatures make laws
• Concurrent List: Both Parliament and States can make laws
But Article 253 allows Parliament to override this normal division when India has to fulfil an international obligation.
For example, matters like public health, agriculture, forests, land, local governance or water may normally involve States. But if a law is needed to implement an international treaty, Parliament can legislate even if the subject touches the State List.
Why Article 253 Exists
International law deals with the country as a whole, not with individual States.
When India signs a treaty or participates in an international convention, the responsibility belongs to the Union of India. Foreign countries and international bodies do not deal separately with Indian States.
So, Article 253 ensures that India can fulfil international commitments without being blocked by internal federal divisions.
It helps India implement obligations related to:
• Environment protection
• Climate change
• Biodiversity
• Human rights
• Trade agreements
• Maritime law
• Aviation
• Public health
• Labour standards
• Intellectual property
• Terrorism and organised crime
Link with Article 73 and Article 246
Article 253 should be read with Article 73 and Article 246.
Article 73 gives the Union executive power over matters where Parliament can make laws, including treaty-related matters.
Article 246 distributes legislative powers between Union, State and Concurrent Lists.
Article 253 creates a special power for Parliament. Even if the subject is otherwise in the State List, Parliament can legislate if the law is meant to implement an international treaty or convention.
This makes Article 253 a powerful constitutional tool for treaty implementation.
Important Laws Made Using Article 253
Several important Indian laws are linked with Article 253 because they were enacted to fulfil international commitments.
The Environment Protection Act, 1986 was enacted after India participated in the Stockholm Conference, 1972. It gives the Union government wide powers to protect and improve the environment.
The Air (Prevention and Control of Pollution) Act, 1981 was also connected with India’s obligations after the Stockholm Conference.
The Biological Diversity Act, 2002 was enacted to implement the Convention on Biological Diversity, 1992.
The Protection of Human Rights Act, 1993 is linked with India’s broader international human rights commitments.
Laws related to international trade, intellectual property, aviation, maritime zones and transnational crimes may also draw strength from Article 253 when they implement global commitments.
Federalism Issue
Article 253 creates an important federalism debate.
On one side, India must be able to honour international obligations. If every treaty-related law required separate State approval, treaty implementation would become difficult.
On the other side, Article 253 can allow Parliament to legislate on State subjects, reducing State autonomy.
This creates a tension between:
• International responsibility of the Union
• Federal rights of States
• Treaty implementation
• Democratic consultation with States
The concern is especially strong when treaties affect agriculture, environment, water, health, labour or local livelihoods.
For example, climate agreements, biodiversity rules or trade commitments may directly affect farmers, industries, local communities and State governments. Therefore, even if Parliament has legal power under Article 253, consultation with States remains important for cooperative federalism.
Important Constitutional Cases
In Maganbhai Ishwarbhai Patel v. Union of India, 1969, the Supreme Court held that the executive can enter into treaties, but if implementation of a treaty requires a change in domestic law or affects citizens’ rights, legislation may be needed. This case is important for understanding the difference between making a treaty and implementing it domestically.
In Union of India v. Azadi Bachao Andolan, 2003, the Supreme Court recognised the importance of treaty-making and international agreements in India’s legal system, especially in the context of taxation treaties. Though mainly related to a tax treaty, it reinforces the idea that international agreements can have domestic legal consequences when supported by law.
In Vishaka v. State of Rajasthan, 1997, the Supreme Court used international conventions, especially CEDAW, to frame guidelines against sexual harassment at the workplace in the absence of domestic law. The case is not directly about Parliament’s law-making under Article 253, but it is important for understanding how international conventions can influence Indian law when they do not conflict with domestic law.
In Gramophone Company of India v. Birendra Bahadur Pandey, 1984, the Supreme Court observed that international law can be read into domestic law when there is no conflict with municipal law. This supports the broader principle that India’s legal system can harmonise domestic law with international obligations.
Importance
Article 253 is important because it allows India to participate seriously in international governance.
Without Article 253, India could sign treaties but might struggle to implement them if the subject involved State List matters.
It strengthens India’s ability to act on:
• Climate change commitments
• Environmental protection
• Biodiversity conservation
• Human rights obligations
• International trade rules
• Global health standards
• Maritime and aviation obligations
• Anti-terror and transnational crime frameworks
It also shows that Indian federalism is not rigid. The Constitution allows flexibility when national and international obligations require coordinated action.
Concerns
The main concern is possible centralisation. If Parliament uses Article 253 too broadly, it may reduce the legislative space of States.
Another concern is lack of parliamentary and State-level scrutiny before treaties are signed. In India, treaty-making is largely an executive function. Parliament usually comes in only when domestic law is needed.
Major concerns include:
• Weak consultation with States before treaty commitments
• Central law-making on State List matters
• Impact on agriculture, health, environment and local livelihoods
• Limited parliamentary scrutiny of treaty negotiations
• Possible democratic deficit in treaty-making
• Difficulty in balancing global commitments with local realities
This is why many scholars argue for stronger parliamentary oversight and greater State consultation before India enters into major international agreements.
Conclusion
Article 253 gives Parliament the power to make laws for implementing international treaties and conventions, even on State List subjects. It is essential for fulfilling India’s global obligations, but its use must be balanced with federal consultation, parliamentary scrutiny and protection of State interests.


