Canara Bank — complaining about refund from the amazon ecommerce

Address:

Beside vakilsquare, new gurappana,palya btm first stage,bannerghatta main road,banglore 560029, 560029

I booked mobile phone cost rs 12449 in amazon using rupay card at 12/10/2019 while ordering the amount debited from my account but the order is not confirmed and amount debited is not returnd to my account. The amazon customer service is saying the amount is not come to amazon account after all enquiries they send refernce id to my email and the amount refunded not reflecting on my account its stucked in the banks gateway. Bank customer service is saying its not here in bank side so im complaining to you plese refund or help to send by the amazon
Thank you