Doctrine of Occupied Field, Repugnancy and Territorial Nexus

Occupied field doctrine holds that once Parliament makes a law on a subject falling within the Concurrent List, a State Legislature loses the power to legislate on that same subject, because the legislative field stands already "occupied" by the central law. This doctrine works alongside two related constitutional principles — repugnancy under Article 254 and territorial nexus under Article 245 — all of which govern how legislative power is divided and applied between the Union and the States.

Doctrine of Occupied Field: Meaning and Scope

Article 246 splits legislative subjects among three lists. On matters in the Union List (List I), only Parliament can legislate, and the State Legislature is completely barred. On matters in the State List (List II), the reverse applies — Parliament is barred and the field belongs exclusively to the states. The Concurrent List (List III) is different: both Parliament and State Legislatures are competent to make laws on the same subject.

It is in this concurrent space that the occupied field doctrine becomes relevant. If Parliament has already enacted a law on a Concurrent List subject, a State Legislature attempting to legislate on the same subject finds the field already occupied by the central law. The doctrine — also called the doctrine of covered field — therefore applies only to Concurrent List entries; it has no role in the exclusive domains of the Union or State Lists, since there the question of two competing laws on the same field does not arise in the same way.

The doctrine draws its constitutional basis from Article 254, which deals directly with conflicts between parliamentary and state laws made on Concurrent List subjects.

Doctrine of Repugnancy Under Article 254

Article 254 provides that if a state law is inconsistent with a parliamentary law on a matter in the Concurrent List, the parliamentary law prevails and the state law becomes void to the extent of the inconsistency, or repugnancy. Repugnancy is thus the constitutional consequence that follows once a conflict between the two laws is established.

Courts have tested repugnancy on three connected principles:

These three tests overlap with, and give practical content to, the occupied field doctrine — a state law can be struck down as repugnant either because it directly contradicts the central law, or because Parliament intended its law to be a complete and exhaustive code leaving no room for state legislation on that field.

Doctrine of Territorial Nexus Under Article 245

Article 245 defines the territorial extent of parliamentary and state laws. Parliament may legislate for the whole or any part of India's territory, and it may also legislate extra-territorially — its laws can extend to Indian citizens and their property even outside India. A State Legislature, by contrast, may make laws only for the whole or any part of its own state; ordinarily it cannot pass an extra-territorial law that operates beyond the state's boundaries.

There is, however, an important exception: a State Legislature's extra-territorial law is valid if there is a sufficient nexus, or connection, between the state and the subject-matter of the law. Under this doctrine of territorial nexus, the object regulated need not be physically located inside the state, but two conditions must be satisfied — the nexus between the state and the subject-matter must be real and not illusory, and the liability the law imposes must be relevant to that nexus.

How the Doctrine of Territorial Nexus Developed

The doctrine was first applied in the pre-Constitution period in income-tax disputes: the Federal Court invoked it in the Raleigh case (1944) and the Wadia case (1949), while the Privy Council applied it in the Wallace case (1948).

After the Constitution came into force, the Supreme Court applied the doctrine in the R.M.D. Chamarbaugwalla case (1957), concerning a state law taxing gambling. The Court held that where a sufficient territorial nexus exists between the person being taxed and the taxing state, the law will be upheld — sufficiency being judged by whether the nexus is real and whether the liability imposed is relevant to it.

In the TISCO case (1958), the Supreme Court applied the doctrine to a sales-tax law and clarified that the doctrine does not itself impose a tax; it only indicates the circumstances in which a tax already imposed by a law can be enforced in a particular case.

In the NTPC case (2002), the Supreme Court explained that legislative power under Article 245 is divided by reference to territory, and that extra-territorial legislation can generally be enacted only by Parliament. A State Legislature's extra-territorial operation is sustainable only on the ground of territorial nexus, and where such nexus is pleaded, it must be shown to be sufficient and real, not illusory.

The doctrine is not confined to tax statutes. In the Charusila Dasi case (1959), the Supreme Court held that a State Legislature can validly make laws concerning charitable and religious trusts situated within the state, even where part of the trust property lies in another state. As a natural extension, the state legislature can also make laws governing the trustees and their agents present within the state to administer the trust; on this basis, the Court upheld a Bihar law applicable to trust property actually situated in West Bengal.

UPSC Relevance

Prelims

• The doctrine of occupied field is tied to Article 254 and applies only to the Concurrent List (List III).
• The doctrine of territorial nexus flows from Article 245 and permits valid extra-territorial state legislation where a real nexus exists.
• R.M.D. Chamarbaugwalla v. Union of India (1957) is the key post-Constitution case applying territorial nexus.

Mains

• Explain how the doctrines of occupied field, repugnancy, and territorial nexus together regulate Centre-State legislative relations under Articles 245, 246 and 254.
• Discuss, with case law, the tests the judiciary has evolved to determine repugnancy between central and state laws.

FAQ

Q1. What is the doctrine of occupied field? It is the principle that once Parliament legislates on a Concurrent List subject, a State Legislature cannot make a law on that same subject, since the field is already occupied by the central law.

Q2. Does the doctrine of occupied field apply to the Union List or State List? No. It applies only to matters in the Concurrent List, where both Parliament and the states otherwise have concurrent competence to legislate.

Q3. What is the doctrine of territorial nexus? It is the principle, under Article 245, that a State Legislature's law with extra-territorial effect is valid if there is a sufficient and real connection between the state and the subject-matter, and the liability imposed is relevant to that connection.

Q4. Which case first applied the territorial nexus doctrine after the Constitution came into force? The R.M.D. Chamarbaugwalla v. Union of India case (1957), concerning a tax on gambling, was the first post-Constitution application by the Supreme Court.

Q5. What are the three tests for repugnancy under Article 254? Direct conflict between the two laws, whether Parliament intended to enact an exhaustive code on the subject, and whether the field is already occupied by the central law.

Quick Revision

• Occupied field doctrine: applies only to Concurrent List; based on Article 254.
• Article 246: Union List — only Parliament; State List — only states; Concurrent List — both.
• Article 254: central law prevails over inconsistent state law on Concurrent List subjects; state law void to extent of repugnancy.
• Repugnancy tests: direct conflict, intended occupation, occupied field.
• Article 245: Parliament can legislate extra-territorially; states ordinarily cannot, except via territorial nexus.
• Territorial nexus needs: (a) real, non-illusory connection with the state, (b) liability relevant to that connection.
• R.M.D. Chamarbaugwalla (1957): first post-Constitution territorial nexus case, on gambling tax.
• TISCO (1958): doctrine indicates when an imposed tax is enforceable, does not itself impose the tax.
• NTPC (2002): extra-territorial state law valid only on the ground of a sufficient, real territorial nexus.
• Charusila Dasi (1959): territorial nexus doctrine extended beyond tax laws to charitable/religious trust legislation.

Sources

• Constitution of India, Article 245 — legislative.gov.in
• Constitution of India, Article 246 — legislative.gov.in
• Constitution of India, Article 254 — legislative.gov.in
• R.M.D. Chamarbaugwalla v. Union of India, 1957 — Supreme Court of India

Further Reference

For deeper reading on this topic and the wider polity syllabus, these standard works are recommended:

• M. Laxmikanth, Indian Polity (McGraw Hill) — the standard UPSC handbook.
• D.D. Basu, Introduction to the Constitution of India (LexisNexis) — authoritative constitutional-law treatment.
• The Constitution of India — Bare Act — the official text.

Disclosure: As an Amazon Associate, UPSC.wiki earns from qualifying purchases — at no extra cost to you.