Flipkart — My Old apple iphone 11 is picked but still gift card money not credited to my wallet as per flipkart promise.

I Registered order on flipkart to sell my old mobile to them on 29 march 2023 after that on 30th march 2023 flipkart courier boy checked my device and remove my sim card and cleared my all data take the box and bill and take my mobile with him and he says that money (₹14, 450/-) will credit in wallet After within 24 hr but still not any gift card money i received in my wallet and my order is also cancelled by the courier boy and after that i complaint on flipkart coustomer care next day on 31st march 2023 he said that wait till 6th april but my issue resolved automatically on 3rd April without any confirmation or information.

Order id is (OD[protected]