Indian Bank — refund not initiated in bank account

Address:

12A, RED HILLS ROAD, KOLATHUR,CHENNAI-600099, Salem, Tamil Nadu, 600099

Dear sir/mam,
I have ordered one mosquitoes net and one book from amazon by using my debit card and they have initiated my refund through neft which the bank stating they haven't receive the refund from amazon. Amazon provided the transaction number. Below are the
Txn id[protected] for 536 rupees and[protected] is for 239 rupees.
Bank a/c - [protected]
Name-poornima vs
Rupay card ending with - 2967
Contacted customer care but they said we can't take complaint.