Meesho — Refund issue/No response

I ordered some products from Meesho and ordered return for 3 products. The delivery guy came, scanned the products and showed the total cost as Rs.560 and took all three products, but when I checked later the company only refunded Rs.186. When I approached, the company said, approach delivery guy, the guy asked to approached Meesho, but finally both didnt take responsibility of the product or the cash. I finally spent a day distressing about the issue. I would like to get my refund back.