Q. Which of the following details can be used to verify the authenticity of an e-Stamp?

Answer of this question "Which of the following details can be used to verify the authenticity of an e-Stamp?", here are 4 choices for this question : Certificate Number (UIN), Stamp Duty Type (Description of Document), 6 character alphanumeric string, All of the Above.
Answer Is "All of the Above".