If you can provide more context (e.g., where you saw the name, what content you expected), I’d be glad to help further or write a detailed piece on the concept of antarvasana in yogic texts instead.
If you are looking for legitimate information about yoga or the Sanskrit term Antarvasana (internal pose/garment), that is unrelated to this website. The domain name is a deliberate misspelling/mashup to attract traffic. m antarvasana.com
(Invoking related search terms for People/Places/Names or site-related research.) If you can provide more context (e