Indian Bank — Refund amount initiated by the Amazon but not reflected in my bank account

Hi,
Myself Divya Anshu, a customer of Indian bank of Araria branch(IFSC-IDIB000A651, A/C- [protected]). I've returned an order worth ₹1499 whose refund is initiated by the Amazon on 02/02/2022 but it is not reflected in my bank account till today. Amazon have provided me the refund reference number i.e,[protected].
This is a humble request to the Indian Bank to respond to this ASAP.
Thank you