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Res Sub Judice (Section 10)



Meaning and Purpose


Stay of subsequent suit

Res Sub Judice is a Latin term meaning “a matter already under judicial consideration.” Section 10 of the Code of Civil Procedure, 1908, incorporates this principle to prevent multiple suits on the same matter between the same parties.

The section mandates a stay on a subsequent suit when the matter in issue is already directly and substantially in issue in a previously instituted suit that is still pending in a competent court.

Purpose: To avoid:

Example 1. A files a suit against B for possession of property. While the suit is pending, A again files a suit for title over the same property. Can the second suit proceed?

Answer:

No, the second suit shall be stayed under Section 10 CPC as the matter in issue is directly and substantially the same in both suits.


Conditions for Applicability


Identity of matter in issue

The subject matter of both the earlier and the later suit must be directly and substantially the same. Minor differences do not alter the applicability of Section 10.


Identity of parties

The parties to the two suits must be the same or litigating under the same title. If even one party is different, Section 10 may not apply.


Identity of the court

The previously instituted suit must be pending in a court of competent jurisdiction that is capable of granting the relief sought in the subsequent suit. Both courts must have jurisdiction over the subject matter.


Suit in India

Section 10 is applicable only if the previously instituted suit is pending in a civil court within India. Suits pending in foreign courts do not attract the bar under this section.

Example 2. A files a suit in Delhi for recovery of ₹1,00,000 from B. While the suit is pending, A files another suit in Mumbai for the same recovery. Will Section 10 apply?

Answer:

Yes, since the cause of action and parties are the same, and the matter is pending before a competent Indian court, the Mumbai suit must be stayed under Section 10 CPC.


Res Judicata (Section 11)



Meaning and Purpose


Principle of finality of litigation

Res Judicata literally means “a matter already judged.” Section 11 of the Civil Procedure Code, 1908, enshrines this principle to ensure the finality of litigation. Once a competent court has decided a matter, the same issue cannot be reopened between the same parties in another proceeding.


"No man ought to be vexed twice"

This legal maxim emphasizes that a person should not face multiple litigations for the same cause. Res judicata aims to protect individuals from repetitive litigation, conserve judicial time, and maintain consistency in decisions.

Example: A sues B for possession of a house and loses. A cannot file another suit against B for the same house on the same grounds.



Conditions for Applicability


Directly and substantially in issue

The issue raised in the subsequent suit must be the same issue which was directly and substantially in issue in the earlier suit and was decided by the court.


Matter previously decided

The matter must have been heard and finally decided in the former suit.


Parties under whom they or any of them claim

The parties in both the suits must be the same or claiming under the same title or interest.


Court competent to try such subsequent suit

The former suit must have been decided by a court that was competent to try the later suit when the earlier suit was instituted.

Example: X files a suit for declaration of ownership which is dismissed. Later, X files a suit for injunction over the same property. Will it be barred?

Answer:

Yes, the second suit is barred by res judicata if the issue of ownership was directly and substantially decided in the earlier suit.


Constructive Res Judicata


Matter which ought to have been raised

Constructive Res Judicata prevents parties from raising in a subsequent suit any ground of attack or defense which they could and ought to have raised in a previous suit but did not.

This is covered under Explanation IV of Section 11 and aims to avoid multiplicity of litigation by requiring parties to raise all related claims in one proceeding.

Example: A files a suit for recovery of ₹50,000 under one contract clause but does not raise another claim under the same contract. Can A raise it later?

Answer:

No. The second claim will be barred by constructive res judicata as it ought to have been raised in the earlier suit.


Res Judicata and Foreign Judgments

Under Section 13 of the CPC, a foreign judgment is conclusive between the parties unless it falls under exceptions such as:

If the foreign judgment fulfills all conditions of conclusiveness, it can operate as res judicata in Indian courts.

Example: A and B litigate in a UK court, and the matter is decided on merits. Can A re-litigate the same in India?

Answer:

No, if the UK judgment is final and satisfies Section 13 CPC conditions, it will act as res judicata.