Amazon India — refund not my account

Address:

Amazon india, 122001

Mene amazon par ek phones order kiya tha. 20/01/2020 ko par kisi kran mene cancel kar diya 21/01/2020 ko sir isiliye mera refund abhi tak mere account me nahi aya. Mene indian bank ke debit card xxxx xxxx xxxx 1918 she payment kiya tha. Lekin abhi tak mere account me mera refund nahi aya
Amazon customers care merit koee help nahi kar rahe hai. Wo keval reference number #183300 hi de rahe. Aur bank branch aur customers care meri koi help nahi kar rahe hai
Please help me sir