Mulberry Fabrics Private Limited - Return initiated but refund not processed

Order #*********** / * Products
*.Mulberry Purple Designer Heavy * Feet Long
*.Mulberry Purple Designer Heavy * Feet Long

Return initiated for both products but they raised two different requests I have returned both the products to the person who came for first reverse pick up.
they refunded only *** and denying to refund **** telling that no confirmation about extra product returned the cancelled return request of that product also. now I don't have any evidence. I am asking meesho to arrange a call with the person came for reverse pick up but they used to give same reply that we don't have information about extra product.
kindly help to refund **** Rupees of
*.Mulberry Purple Designer Heavy * Feet Long (* Quantities)
***x*=****