https://www.hinduamerican.org/wp-content/uploads/2023/04/HAF...
They claim:
"We share the admirable goals of protecting civil rights and eliminating all forms of prejudice and discrimination, including based on caste. As such, the question is not whether we deal with allegations of caste discrimination, but how. If and when caste discrimination allegations emerge, they should be adjudicated under the existing protected class of ancestry, just as the state of California did in California Department of Fair Employment Housing v. Cisco Systems, Inc."
In https://docs.google.com/document/d/1u0jxQY_cLti2XP3nEw0d9OBa... they state:
"There is only one legal case on the issue of caste-discrimination in the United States to date. It involves an allegation of caste-based discrimination in the US."
and give some facts related to that case.