Vintage/Used/Old Sarees - Where can I buy?

Hello Ladies

I am hoping someone might know the answer to this since searching online has pretty much led to a deadend. I am going to be visiting India - Mumbai, Surat and Ahmedadbad, and need to buy old/vintage aka used sarees. The only place I could find where they are sold is in Delhi - Janpath through a few bloggers. Gujarati women sell the used sarees on the sidewalk in Janpath market and wanted to avoid travel to Delhi just to buy them. If anyone has a contact of a seller or knows of a place/bazaar with a similar set up would be greatly appreciated. Much thanks.

Vintage/Used/Old Sarees - Where can I buy?