Jurisprudence, Interpretation and General Laws · Sources of Law

Precedent and the Doctrine of Stare Decisis for CS Executive

Updated 11 October 2026 · Fact-checked

Judicial precedent means a past court decision that guides later courts on similar facts. Stare decisis is the doctrine that courts should stand by decided points. Only the ratio decidendi binds, and only courts lower than, or equal in rank to the deciding court, depending on the rule. In India, Article 141 makes the Supreme Court's law binding on all courts.

Understand Precedent: Doctrine of Stare Decisis

A precedent is an earlier judgment that a court relies on when it decides a later case with similar facts or the same legal question. Law is not only what Parliament writes. Judges explain, apply and sometimes fill gaps in it. Their reasoning becomes a source of law.

The doctrine of stare decisis comes from the Latin phrase meaning "to stand by things decided". Its purpose is certainty, equality and speed. Like cases are treated alike, people can predict the outcome, and courts do not reopen settled points every time.

Not every word in a judgment is binding. The ratio decidendi is the legal principle on which the decision rests. It is the reason for the result, read in light of the material facts. Obiter dicta are remarks made in passing, such as hypothetical examples or views on points not needed to decide the case. Obiter has persuasive value only. It does not bind, though a Supreme Court obiter is treated with great respect.

A precedent can be binding (authoritative) or persuasive. A binding precedent must be followed by the courts it covers, even if the judge disagrees. A persuasive precedent may be considered but need not be followed. Examples are decisions of High Courts of other states, decisions of foreign courts, and obiter dicta.

In India, Article 141 of the Constitution says the law declared by the Supreme Court is binding on all courts within the territory of India. High Court decisions bind subordinate courts in that High Court's territory. A larger bench binds a smaller or equal bench of the same court. Precedents can be overruled by a higher court or a larger bench, or distinguished by a court that finds the earlier facts or law materially different.

Key rules to remember

Ratio decidendi: Ratio decidendi = material facts + legal reasoning necessary for the decision; This is the only part of a judgment that forms binding precedent.
Obiter dicta: Obiter dictum = remark not necessary for the decision; Persuasive only. It does not bind.
Article 141: Law declared by the Supreme Court is binding on all courts within the territory of India; It covers the law declared, meaning the ratio. It does not bind the Supreme Court itself in the same way, which can depart from its earlier views, usually through a larger bench.
Hierarchy rule: Higher court binds lower courts; a larger bench binds smaller or equal benches; A High Court binds courts subordinate to it in its own territory. Other High Courts' decisions are persuasive.
Binding versus persuasive: Binding = must follow; Persuasive = may consider; Persuasive sources include other High Courts, foreign courts and obiter dicta.
Ways to depart from a precedent: Overruling = earlier decision declared wrong by a competent higher or larger bench; Distinguishing = earlier decision held inapplicable because the facts or law differ; Reversing is different: a higher court sets aside the decision in the same case on appeal.

How to solve Precedent: Doctrine of Stare Decisis questions

Use this order for both theory questions and problem questions on precedent.

1Define precedent and name the doctrine of stare decisis in one or two lines.
2State its purpose: certainty, uniformity and judicial economy.
3If the question is about parts of a judgment, separate the ratio decidendi from obiter dicta and say which binds.
4Identify the courts involved. Place them in the hierarchy and check the bench strength.
5Decide whether the earlier decision is binding or persuasive for the court in question, citing Article 141 where the Supreme Court is involved.
6If the facts differ, say the precedent can be distinguished. If it is wrong, say it can be overruled only by a competent higher or larger bench.
7End with a clear conclusion in one line that answers the question asked.

Quickest way: Court, bench, ratio: three-check method

When to use it: Use this for short problem questions asking whether a decision binds a court.

Check the court: is the deciding court higher than the court in question, in the same hierarchy and territory?
Check the bench: if both are the same court, is the earlier bench larger or equal?
Check the part: is the point in the ratio or only in obiter? If all three checks pass, it binds. If any fails, it is persuasive.
Write the conclusion with the reason, citing Article 141 for Supreme Court decisions.

Common mistakes in Precedent: Doctrine of Stare Decisis

Treating the whole judgment as binding.
Students memorise that a precedent binds and forget that only part of it does.
Fix: Always say that only the ratio decidendi binds. Obiter dicta is persuasive.
Saying every High Court decision binds all courts in India.
Students mix up Article 141 for the Supreme Court with the position of High Courts.
Fix: A High Court binds only courts subordinate to it. Other High Courts' decisions are persuasive.
Confusing overruling with reversing.
Both words suggest that a decision is undone.
Fix: Reversing happens in the same case on appeal. Overruling happens in a different, later case, where the earlier legal rule is declared wrong.
Confusing overruling with distinguishing.
Both avoid following an earlier case.
Fix: Distinguishing keeps the earlier case valid and says it does not apply on different facts. Overruling says the earlier law is wrong.
Saying the Supreme Court is absolutely bound by its own past decisions.
Students stretch stare decisis into a rigid rule.
Fix: Say the Supreme Court ordinarily follows its earlier decisions but can depart from them, usually through a larger bench, because law must develop.
Writing only definitions without a conclusion.
Students treat the question as pure theory.
Fix: Finish with the provision, the analysis and a one-line conclusion, as ICSI answers require.

Worked examples

Example 1

Distinguish between ratio decidendi and obiter dicta. Explain why the distinction matters for the doctrine of stare decisis.

Show the solution

Provision: under stare decisis, courts follow earlier decisions, but a judgment contains both essential and incidental parts.
Ratio decidendi is the legal principle necessary to reach the decision, based on the material facts. Obiter dicta are remarks made in passing that were not needed for the decision.
Effect: the ratio binds courts to which the precedent applies. Obiter does not bind and has only persuasive value, which depends on the standing of the judge and the court.
Importance: the distinction stops courts from being tied to casual remarks and keeps the binding law clear and predictable.
Conclusion: only the ratio decidendi forms a binding precedent. Obiter dicta can guide but cannot compel.

Answer: Ratio decidendi is the necessary legal reasoning behind a decision and binds as precedent. Obiter dicta are incidental remarks that are only persuasive. The distinction confines binding force to the core principle.

Example 2

The Supreme Court laid down a rule of law in a case. Later, a District Court in Pune and a Madras High Court bench are each asked to decide a similar issue. A Kerala High Court judgment on the same point also exists. Which of these must follow the Supreme Court's rule, and what is the status of the Kerala decision for the Pune court?

Show the solution

Provision: Article 141 says the law declared by the Supreme Court is binding on all courts within the territory of India.
Application: the Pune District Court and the Madras High Court are both courts within India. The rule is part of the law declared, so both must follow it.
Kerala decision: a High Court binds only courts subordinate to it. The Pune court is not in Kerala's territory or under the Kerala High Court.
Therefore the Kerala judgment is only persuasive for the Pune court. The court may consider its reasoning but need not follow it.
Conclusion: both the Pune court and the Madras High Court are bound by the Supreme Court's rule, while the Kerala decision is persuasive only.

Answer: Both courts must follow the Supreme Court's rule under Article 141. The Kerala High Court decision is merely persuasive for the Pune court.

Exam tips

Write the definition, the purpose and the binding or persuasive classification in that order. Examiners reward structure.
Always cite Article 141 for Supreme Court decisions. It is the key Indian provision for this topic.
When a question asks you to compare, use short pointers: meaning, binding force, example, effect.
In problem questions, name the court hierarchy first. Bench strength is a common hidden point.
Use the terms overruling, reversing and distinguishing precisely. Mixing them loses marks.

Practice questions from Sources of Law

Precedent: Doctrine of Stare Decisis: frequently asked questions

What is the doctrine of stare decisis in simple words?

It means courts should follow earlier decisions on the same legal point. This gives certainty and equal treatment to like cases. It is not absolute, because higher or larger benches can overrule earlier law.

What is the difference between ratio decidendi and obiter dicta?

Ratio decidendi is the legal reasoning necessary for the decision, and it binds. Obiter dicta are incidental remarks not needed to decide the case. They are only persuasive.

Does Article 141 bind the Supreme Court itself?

Article 141 binds all courts in India to the law declared by the Supreme Court. The Supreme Court ordinarily follows its own earlier decisions for consistency. It can depart from them, usually through a larger bench.

What is the difference between overruling and distinguishing a precedent?

Overruling declares the earlier legal rule wrong, and only a competent higher or larger bench can do it. Distinguishing leaves the earlier case intact but holds it inapplicable because the facts or law differ.