Shein — amount of rs743 got debited and successfully transferred but shein claiming gateway failure

Amount of rs 743 got debited but order got cancelled from shein saying they haven't received the payment.
Payment was made through google pay. Axis bank confirmed that amount has successfully reached shein but shein is denying.
Shein also cancelled the order, amount got debited from my account. Customer is at loss now. How do i get my refund back? Whom to contact. Already contacted bank and shein.

Order number:bcy95032