Flipkart — Redmi 9i instead of real me 8

Address:	gokul plots, venkata ramana colony
Website:	flipkart.com

I ordered realme 8 and I got it on Dec 30th when I opened the pack and found that I got a different product which is of totally cheaper than I bought and then immediately I contacted customer care and placed a replacement request and after that, after a day I got mail that replacement is rejected and after that every day, till today I am placing refund request and after few hours I will find that they canceled my refund request, every time I contact customer care they say that they will help me and they places refund request and asks for id proofs which I also provide them on time and next day I find that refund is rejected even today I am facing this prob please help me with that refund