* "Krishna" is a common name: It's a popular name across many Indian religions and communities, including Telugu Brahmins.
* "D" could be a shortened form or an abbreviation: It could stand for something like "Das," a common surname in some communities, or it could be an initial of a middle name.
* Caste and surname are not always directly linked: While some surnames are associated with specific castes, this isn't always the case.
To determine if "Krishna D" is a Telugu Brahmin surname, you would need more information:
* Full name: The full surname or the full name could provide more clues.
* Family history: Information about the family's origin, traditions, and religious practices might be helpful.
* Context: The context in which the name is used can sometimes provide hints.
It's important to remember: Focusing on caste can be insensitive and may perpetuate harmful stereotypes. It's better to treat people with respect and recognize that individuals are unique, regardless of their background.