Amazon India — They holds my account and freeze my gift card balance

Last week i was added 2 amazon gift cards worth 20000 inr and multiple gift cards amounts of 250 650 etc and try to buy a hp laptop and accesories like mouse, mouse pad, laptop carry bag first add the laptop and payment was gift card order was placed and after one min returned and canceled im try many time to solve this issue with amazon they said we seen suspecious activity on your account the i sen an email to the ofm amazon they send me an apology letter by email and says that cancelation of your order was an error you can now place your order after reciving this email i try to place my orders and finally orders was placed and after an hour they block my account and asks for payment reciept i send them the order id and detail of added gift cards but they still holds my account. Please help me to solve my issue.