United Bank Of India [UBI] — amy debited by visa card from my sb a/c but the amt. not received by amazon

I have made payment to amazon using my visa debit card on 21/03/2018. The amount rs 1151 has been debited from svings a/c trx. No prcr/[protected]/[protected]/amazon pay. But the amazon is saying that they have not received the amount and for this reason they cancelled my order. Bank didn't return my money because o[censored]nsuccessful transaction. I therefore request you to look into the matter so that i can get back my money thanking you, yours faithfully subhasis chowdhury