Doctrine of Severability is the constitutional law principle that when a particular provision of a statute violates fundamental rights, only the offending provision is struck down as void, and the remainder of the statute is preserved — provided the valid and invalid portions are severable from each other. Under Indian law, this doctrine is derived from Article 13 of the Constitution, which provides that laws inconsistent with fundamental rights are void "to the extent of such inconsistency," implying that only the inconsistent part is invalidated.
Legal definition
Article 13 of the Constitution of India provides the textual basis for severability:
Article 13(1): All laws in force [...] in so far as they are inconsistent with the provisions of this Part, shall, to the extent of such inconsistency, be void.
Article 13(2): The State shall not make any law which takes away or abridges the rights conferred by this Part and any law made in contravention of this clause shall, to the extent of the contravention, be void.
The phrase "to the extent of" is the textual anchor of severability. It mandates that courts invalidate only the offending portion of a law, not the entire statute. However, severability depends on whether the valid and invalid portions can be meaningfully separated. If the invalid provision is so inextricably bound up with the rest of the statute that the legislature would not have enacted the valid part alone, the entire statute falls.
How courts have interpreted this term
A.K. Gopalan v. State of Madras [AIR 1950 SC 27]
In the first major application of the doctrine, the Supreme Court struck down Section 14 of the Preventive Detention Act, 1950 as violative of Article 14, while upholding the remainder of the Act. The Court held that Section 14 was severable from the rest of the statute because its removal did not alter the object or scheme of the Act. The valid provisions continued to form a complete, self-contained code.
R.M.D.C. v. Union of India [AIR 1957 SC 628]
The Supreme Court laid down the most comprehensive principles governing severability. The Court established that: (1) the legislature's intent is the decisive factor — if the legislature would have enacted the valid section even without the invalid part, severability is permissible; (2) if the valid and invalid provisions are so inextricably intertwined that they cannot be separated, the invalidity of one part must result in the invalidity of the whole; (3) if after striking out the invalid part, what remains is a complete code in itself, it will be upheld; (4) the Court must examine the substance of the matter and not merely the form.
State of Bombay v. F.N. Balsara [AIR 1951 SC 318]
The Supreme Court applied the doctrine to sever portions of the Bombay Prohibition Act. The Court held that certain provisions prohibiting possession and consumption of liquor were valid, while provisions restricting the possession of medicinal and toilet preparations containing alcohol violated Article 19(1)(f) and (g) and were void. The invalid portions were severed, and the valid portions were upheld as a self-standing scheme.
Why this matters
The Doctrine of Severability is a fundamental tool of judicial restraint. Rather than striking down entire statutes — which would create legislative vacuums and disrupt governance — courts use severability to preserve as much of the legislature's work as possible while excising only the constitutionally impermissible portions. This respects the separation of powers by minimising judicial interference with legislative policy.
For practitioners challenging the constitutionality of a statute, the doctrine has a direct strategic implication: even if a specific provision is successfully struck down, the remainder of the Act may survive. Conversely, when defending a statute, practitioners can argue that the offending provision is severable, thereby preserving the statute's overall operation. The R.M.D.C. test of legislative intent is the controlling standard.
A related but distinct concept is "reading down" — where a court interprets a provision narrowly to save it from unconstitutionality, rather than striking it down. Reading down is preferred over severability where the provision admits of a constitutionally valid interpretation. Courts have read down statutes in numerous cases, including the interpretation of Section 377 IPC in Navtej Singh Johar (2018), where the Court read down the provision to exclude consensual adult conduct from its scope.
Related terms
Constitutional foundations:
Related doctrines:
Frequently asked questions
When will a court refuse to sever an unconstitutional provision?
A court will refuse to sever the invalid provision and will instead strike down the entire statute when: (1) the valid and invalid provisions are so inextricably intertwined that they cannot be separated without altering the statute's nature; (2) the legislature would not have enacted the valid part without the invalid part; or (3) after removing the invalid provision, the remainder does not form a complete, self-contained code. In R.M.D.C. v. Union of India (1957), the Court held that legislative intent is the decisive factor.
What is the difference between severability and reading down?
Severability involves physically removing an unconstitutional provision from a statute while preserving the remainder. Reading down involves interpreting a provision narrowly so that it operates within constitutional limits without being removed. Courts prefer reading down where the statutory language admits of a constitutionally valid interpretation, as it preserves the full text of the statute. Severability is used when no valid interpretation is possible and the provision must be struck down.
Does the Doctrine of Severability apply to constitutional amendments?
The doctrine has been applied to constitutional amendments as well. In Indira Nehru Gandhi v. Raj Narain (1975), the Supreme Court struck down specific clauses of the 39th Amendment while upholding the rest. Similarly, in Minerva Mills v. Union of India (1980), specific sections of the 42nd Amendment were severed and struck down while the remainder was preserved.
This entry is part of the Veritect Indian Legal Glossary, a comprehensive reference of Indian legal terminology grounded in statutory text and judicial interpretation.
Last updated: 2026-03-27. Veritect provides this content for informational purposes and does not constitute legal advice.