1. Core Legal Answer & Context: When a decree-holder obtains a decree from a court but the judgment-debtor resides or has property outside the territorial jurisdiction of that court, the decree can be transferred to another court for execution. This process is governed by the Civil Procedure Code, 1908 (CPC). The transferring court sends the decree and relevant documents to the transferee court, which then executes the decree as if it had passed the decree itself. This mechanism ensures that a decree is not rendered ineffectual merely due to jurisdictional limitations.

The court which passed the decree may, on the application of the decree-holder, send it for execution to another court if:

• The judgment-debtor actually and voluntarily resides or carries on business, or personally works for gain, within the local limits of the jurisdiction of such other court.
• The judgment-debtor has no property within the local limits of the jurisdiction of the court which passed the decree sufficient to satisfy such decree and has property within the local limits of the jurisdiction of such other court.
• The decree directs the sale or delivery of immovable property situate outside the local limits of the jurisdiction of the court which passed it.
• The court which passed the decree considers for any other reason, which it shall record in writing, that the decree should be executed by such other court.

2. Relevant Statutes and Sections: Sections 39, 40, 41, and 42 of the Civil Procedure Code, 1908. Order XXI, Rules 5 to 9 of the CPC.

• Section 39: Specifies the conditions under which a court may send a decree for execution to another court.
• Section 40: Deals with the transfer of decrees to courts in other States.
• Section 41: Requires the transferee court to certify to the transferring court the fact of execution or non-execution.
• Section 42: Defines the powers of the court executing a transferred decree.

3. Important Landmark Cases:

• Mohan Lal v. Ram Charan: Emphasized that the court passing the decree retains jurisdiction to execute it, but Section 39 provides for transfer for convenience and effectiveness of execution.
• Sarwan Singh v. Kasturi Lal: Clarified that the transferee court has the same powers in executing the decree as if it had been passed by itself, subject to certain limitations.

4. Clear Conclusion: The transfer of a decree for execution is a vital procedural provision under the CPC, enabling the effective enforcement of judicial pronouncements across different territorial jurisdictions. It ensures that a decree-holder can realize the fruits of their litigation, irrespective of the judgment-debtor's location or property situs.