Indian Bank — refund not credited yet into my bank account

Address:

Vinukonda

On 8th july 2020, i did a transaction on amazon, which costs 1101 rupees, but due to some circumstances, order is canceled and amount is refunded, but money is not credited yet, they provide refund reference number, :
30005401910190001276492, i did a transaction through indian bank debit card,
My india bank account number is [protected], my debit card ending with 0274,
Please help me and credit my money back into my bank account,.