A container or device used to securely hold and protect physical evidence, documents, or objects considered as proof.

A metaphorical term for an idea, concept, or argument that is sustained and protected from counterarguments or doubts.

एक विचार या सिद्धांत जो संदेह या विरोध से सुरक्षित रहता है

English Usage: Her theory was set in a proof box, untouched by criticism.

Hindi Usage: उसका सिद्धांत एक प्रमाण बॉक्स में रखा गया था, आलोचना से अछूता।