Amazon India — Refund reference number or transaction id not provided for refund

8.02.2021
i bought samsung galaxy m01 core from amazon ORDER #[protected], beacuse the device was defected, i have to return the it. i returned it on 8.02.2021 & the refund amount of Rs.5999 was to be credited in my paytm account.
but in actual there is no amount that has been credited in my account till today i have been complaining to amazon from last 50 days
but there is no resolution to my complaint. i asked them to provide me the transaction id or rrn number of the amount they transferred but they failed to provide it .
my registered email & phone no. [protected]@gmail.com, [protected] registered name Zain ul haq
account details in which the was to be credited
acc no.[protected]
IFsc code- PYTM0123456
acc. holder name- shahbaj
i request you to look into this matter and ask them to refund my amount as soon as possible.