No Court shall try any suit or issue in which the matter directly and substantially in issue has been directly and substantially in issue in a former suit between the same parties, or between parties under whom they or any of them claim, litigating under the same title, in a Court competent to try such subsequent suit or the suit in which such issue has been subsequently raised, and has been heard and finally decided by such Court.
Explanation I.-The expression "former suit" shall denote a suit which has been decided prior to a suit in question whether or not it was instituted prior thereto.
Explanation II.-For the purposes of this section, the competence of a Court shall be determined irrespective of any provisions as to a right of appeal from the decision of such Court.
Explanation III.-The matter above referred to must in the former suit have been alleged by one party and either denied or admitted, expressly or impliedly, by the other.
Explanation IV.-Any matter which might and ought to have been made ground of defence or attack in such former suit shall be deemed to have been a matter directly and substantially in issue in such suit.
Explanation V.-Any relief claimed in the plaint, which is not expressly granted by the decree, shall for the purposes of this section, be deemed to have been refused.
Explanation VI.-Where persons litigate bona fide in respect of a public right or of a private right claimed in common for themselves and others, all persons interested in such right shall, for the purposes of this section, be deemed to claim under the persons so litigating.
Explanation VII.-The provisions of this section shall apply to a proceeding for the execution of a decree and references in this section to any suit, issue or former suit shall be construed as references, respectively, to a proceeding for the execution of the decree, question arising in such proceeding and a former proceeding for the execution of that decree.
Explanation VIII. -An issue heard and finally decided by a Court of limited jurisdiction, competent to decide such issue, shall operate as res judicata in a subsequent suit, notwithstanding that such Court of limited jurisdiction was not competent to try such subsequent suit or the suit in which such issue has been subsequently raised.
9 CPC Courts to try all civil suits unless barred
13 CPC When foreign judgment not conclusive
14 CPC Presumption as to foreign judgments
15 CPC Court in which suits to be instituted
16 CPC Suits to be instituted where subject-matter situate
17 CPC Suits for immovable property situate within jurisdiction of different Courts
18 CPC Place of Institution of suit where local limits of jurisdiction of Courts are uncertain
19 CPC Suits for compensation for wrongs to person or movables
20 CPC Other suits to be instituted where defendants reside or cause of action arises