Punjab National Bank [PNB] — Refund initiated by flipkart but not Received

Address:

52A/26 JAWAHAR NAGAR ,ROHTAK

I have ordered a product from flipkart on 15th Jan 2021 but the product is damaged so i have complaint so the flipkart changed my product on 23rd Jan 2021 . But the product i received is again not working properly so have complaint for return the product .so the product i have returned but i don't get my refund back reguarding this order id - OD[protected] The coustmer care give me reference id - 17203011029104362676812 The refund amount is 2449 But its not reflect in my account.
But the seller say it has been credited in my account on 14th Feb 2021
But i have not received
Please resolve this problem