ABC International Ltd. and XYZ Pvt. Ltd. have a dispute over the production process which involved intricate trade secrets. The most suited alternative dispute resolution mechanism that can protect the trade secrets while resolving the dispute is:

The most suited alternative dispute resolution mechanism for ABC International Ltd. and XYZ Pvt. Ltd. would be Arbitration.

Here's why, step by step:

1. Arbitration is a private process: Unlike court trials, which are public and can expose sensitive information, arbitration proceedings are private. This means that the details of the dispute, including any trade secrets, will not be made public.

2. Confidentiality: Arbitration proceedings and decisions are confidential. This means that the parties involved can agree to keep all disclosures, including trade secrets, confidential. This is particularly important in disputes involving trade secrets, where disclosure to the public could harm a business.

3. Expertise: Arbitrators often have specific expertise in the area they are arbitrating. This means they will have a better understanding of the intricacies of the production process and the importance of the trade secrets involved.

4. Control over the process: The parties can have more control over the arbitration process than they would in a court trial. They can agree on the rules of the arbitration, the location, and even the timing. This can make the process more efficient and less disruptive to their businesses.

5. Enforceability: Arbitration decisions are legally binding and enforceable in court. This means that once a decision is made, the parties must adhere to it. If one party does not, the other can take them to court to enforce the decision.

Therefore, considering the need to protect trade secrets and resolve the dispute efficiently, arbitration would be the most suited alternative dispute resolution mechanism for ABC International Ltd. and XYZ Pvt. Ltd.