State Bank Of India [SBI] — Refund not processed by sbi lohegaon bank

Address:

Air Force Station, Lohegaon

Dear sir/madam,
I ordered a "Leather Retail Woman Brown Color Faux Jacket" amount of 1599/- from Amazon on 27 Nov 2020 Order#[protected]. And same was returned by me. My money was deducted from my SBI bank account through UPI transaction. After returning the product the refund was issued by Amazon on 10 Dec 2020 but same was not processed by bank to my account yet.
Refund Reference Number[RRN] is also provided by Amazon. RNN is [protected]. I mailed to bank many times about this many times but not got any reply yet.
My Amazon account is linked with [protected] mobile number.
My SBI bank account number is [protected] and located in Air Force Station Lohegaon, Pune Branch.
Please help me.
Thank You.