State Bank Of India [SBI] — refund not reflect

I make a transaction on 03feb.2020 by amazon pay upi and the amount is already refunded 1274 rs. By the merchant on 13th feb. But in my account the amount is not reflecting so when i contact again with amazon he tell me to raise a complaint on our this site so please give me a solution the reference number is[protected] so please check out from this i already complaint to bank but bank are not respond back then i visited to my bank branch then i check the manager of bank is not there then i aske another workers he tell today the manager is not coming so then i visite this side so please provide me a best solution.