Fastrack — I have received wrong product of sunglasses

I have received an wrong product when I have returned the same product which I have received at that time your team claimed that I’ll receive full refund but today I got a call stating that you guys have packed the proper product which I’ve ordered and it’s been delivered to me which I haven’t received and denied for full refund now I lost my money to you guys you guys thug me! Please provide me my refund my Order Number:- FT[protected]