The International Community may begin to doubt the credentials of the largest democracy in the world.

Answer: Option D

principles : a fundamental truth or proposition that serves as the foundation for a system of belief or behaviour or for a chain of reasoning.
unreliable : not able to be relied upon.
capacity : the maximum amount that something can contain.
trustworthiness : the ability to be relied on as honest or truthful.
credentials : a document proving a person's identity or qualifications.


Synonym of credentials is trustworthiness