Flipcart - Not picking up my return approved product

I ordered a maroon sleeveless long Chikangari kurti and flipcart sent me a wrong product which is a white black printed full sleeve short kurti and I immediately returned the product it’s was an open box delivery but the delivery boy don’t remind me that and I was forget about that after opening the product I called the delivery boy and he said return the product I can’t come and pick up I returned as per the policy said but it’s my * th return first time they automatically canceled the return without my permission and after that they are not picking my my product and it’s so much delay now