[Resolved]  SBI — I am complaining about not receiving my refund amount back to my bank account

I have ordered medicines from neatness using Amazon's platform but they were not delivered to me and order got cancelled so Amazon.in has refunded 434.84 back to my sbi account on 14th of July and provided me a refund reference number 75260829196031359131719, I have contacted both sbi customer care and bank branch, but they are not supporting to get any details through this reference number or file any complaint or file a charge dispute form.