Amazon — product returned and taken but not receive my money

Address:	Near Jogta police staion sijua, Dhanbad, Dhanbad, Jharkhand, 826001
Website:	Amazon.in

My order id[protected]
I returned product on 27th january and after 7dyas i checked my bank account statement and found not credited my my money regarding my return then i contacted coustumer care and they telling me kindly wait for 10days after return and then i call them on 7th february and now they telling me they
Received different item in my return whenever i sent right product from my end with same mrp label and box product is taken but not receive my money which i was paid them