IFB - Amc money not refund by ifb washing machine

I get amc for washing *july **** and after i complaint for my washing machine technician come and say this issue not resolve but this is repair after ** days the after i complaint after ** day technician not come but he saying issue is not resolved this is done after ** days the i call to castamere care he say sit your washing machine is under amc this issue resolve but technician not doing work after all i decides return my amc money i repair from out side so i talk to customers care cancel my amc he say write mail to ifb i do and after that he cancel but money is not return in my account. Ihave all call records and payment slips