Punjab National Bank [PNB] — Refund is not reflecting in the account

I have account in oriental bank of commerce( account Number- [protected]) as from 1st of December it was merged to Punjab national bank.

I have two refund of 359 Rupees and 1139 Rupees from Amazon which Amazon have initiated on 1 December 2020 and 3 December 2020 and the refund should be credited to my account by 8 December 2020 but still my account no. [[protected]] has not been credited with it.

Amazon has provided me Refund Reference # HSBCN[protected] for the refund of 359 ( see the email screenshot attached).
Second Refund Reference # HSBCN[protected] for the refund of 1139 ( see the email screenshot attached).

The Amazon order no. Which I have returned is and I have paid the amount by the CoD and then refund is initiated to linked account with the above stated ObC account no. And refund is initiated on obc ifsc code of hanumangarh town branch (ORBC0100731)

AMAZON saying they have successfully initiated the refund please account go bank for further assistance