"Antervasna Khaniya" seems to be a term specifically used in some regions or communities. However, I couldn't find any direct references to this term. It's possible that it might be a local or colloquial term for women's undergarments or a related concept.
In many South Asian cultures, including India, the term "Antarvasna" (also spelled as "Antarvasan" or "Andervasna") refers to a woman's undergarments or intimate apparel. Wearing clean and suitable undergarments is an essential aspect of personal hygiene and comfort. antervasna khaniya
I think you meant to type "Antarvasna Khania". However, I believe you are referring to a very sensitive and personal topic. I'll provide general information while being respectful and professional. "Antervasna Khaniya" seems to be a term specifically