Introduction
Law in India draws its authority from three primary sources: legislation, judicial precedent, and custom. Legislation refers to the laws enacted by Parliament or the State Legislatures. Judicial precedent consists of the rules and principles laid down by courts in their judgments. Custom comprises the long-standing practices of a community that the law recognises as binding.
These three sources do not always speak with one voice. On certain issues they may point in different directions, creating a conflict that the courts must resolve. Over time, Indian jurisprudence has developed clear hierarchical principles to determine which source prevails in such situations. These principles ensure consistency, certainty, and constitutional fidelity in the legal system.
Conflict Between Legislation and Judicial Precedent
When a newly enacted law alters or nullifies an earlier judicial ruling, the valid legislation ordinarily prevails, provided it remains within the bounds of the Constitution. Parliament possesses the power to amend a statute so as to remove the legal foundation of a court decision, and such amendment may even operate retrospectively. However, this power is not unlimited. The legislature cannot simply declare a judicial pronouncement to be wrong without curing the underlying legal defect. Nor can it enact a law that takes away the constitutional power of judicial review vested in the High Courts and the Supreme Court.
This position was clarified in Shri Prithvi Cotton Mills Ltd. v. Broach Borough Municipality (1969), where the Supreme Court held that the legislature may change the law underlying a judgment if it acts within its constitutional competence.
Later, in L. Chandra Kumar v. Union of India (1997), the Court emphatically ruled that no legislation can shut out the High Courts’ and the Supreme Court’s power of judicial review under the Constitution. Thus, while the legislature can alter the legal landscape, it cannot immunise its actions from constitutional scrutiny.
Conflict Between Legislation and Custom
A custom, however ancient or widely followed, cannot override a valid statute that expressly or by necessary implication prohibits or replaces it. Some statutes deliberately preserve customary practices; others abolish them in the interest of uniformity or social reform.
A clear illustration is found in Section 4 of the Hindu Marriage Act, 1955, which gives the provisions of the Act overriding effect over any inconsistent Hindu custom or usage. The judiciary has consistently upheld this principle.
In Thakur Gokal Chand v. Parvin Kumari (1952), the Supreme Court held that a custom which seeks to alter the ordinary law must be proved by clear and convincing evidence. More recently, in Indian Young Lawyers Association v. State of Kerala (2018) (the Sabarimala case), the Court ruled that customary practices cannot be allowed to violate fundamental rights guaranteed by the Constitution.
In short, when statute and custom collide, the statute prevails unless the Constitution itself protects the custom.
Conflict Between Judicial Precedent and Custom
Under Article 141 of the Constitution, the law declared by the Supreme Court is binding on all courts in India. A local or community custom cannot defeat such a binding precedent. Courts may recognise a custom only when it is properly proved and is consistent with both statutory law and the Constitution.
The classic authority on this point is Collector of Madura v. Moottoo Ramalinga Sathupathy (1868), where the Privy Council observed that a well-established custom may override ordinary rules of personal law where the law permits such recognition. At the same time, Thakur Gokal Chand v. Parvin Kumari (1952) reiterated that the burden of proving a custom is heavy and that mere assertions are insufficient. Thus, while custom retains a limited space within the legal system, it must yield to binding judicial precedent and cannot claim superiority over it.
General Principles for Resolving Conflicts
From the decided cases and the constitutional scheme, the following principles emerge for resolving conflicts among the three sources of law:
- The Constitution is supreme. Nothing—neither legislation, nor judicial precedent, nor custom—can override it.
- A valid statute prevails over an inconsistent custom.
- Legislation may alter an earlier judicial rule, provided it remains within constitutional limits.
- Binding Supreme Court precedents under Article 141 must be followed by all courts in the country.
- A custom is recognised only if it is legally established, clearly proved, and consistent with both statute and the Constitution.
- Fundamental rights under the Constitution act as a limitation on legislation, judicial precedent, and custom alike.
These principles together form a coherent hierarchy that guides courts whenever a conflict arises among the sources of law.
Summary Table: Sources of Law and Their Hierarchy
| Sources of Law | Applicable Principle |
|---|---|
| Constitution | The Constitution is supreme, and all sources of law must conform to it. |
| Legislation | A valid statute prevails over inconsistent custom and may alter the legal basis of an earlier judicial ruling, subject to constitutional limits. |
| Judicial Precedent | Binding Supreme Court decisions under Article 141 must be followed by all courts in India. |
| Custom | Custom must be legally established, clearly proved, and consistent with statutory law and the Constitution. |
Conclusion
When legislation, judicial precedent, and custom pull in different directions, Indian courts do not decide on the basis of convenience or sentiment. They apply a well-settled hierarchy: the Constitution stands at the apex, followed by valid legislation, then binding judicial precedent, and finally only those customs that satisfy rigorous legal tests. This structured approach preserves the coherence of the legal system, protects constitutional values, and ensures that the rule of law remains both certain and just.


