a person who is involved as a witness in a legal case because they have information relevant to the disputed facts.

सामाग्री गवाह

English Usage: The prosecutor called a material witness to testify about what they saw at the crime scene.

Hindi Usage: अभियोजक ने मामले के स्थल पर जो कुछ उसने देखा उसके बारे में गवाही देने के लिए एक सामाग्री गवाह को बुलाया।