Indian Bank — refund amount not add my indian bank account

Address:

Bada chauraha , Mallawan Indian bank, Hardoi, Uttar Pradesh, 241303

Hello sir

Sir my name arpit verma mera amazon se refund amount 612 rupees date 11 february 2020 ko initiated same payment method me mere rupay debit card ending *5700 me hua hai jo ki amazon se refund refrence number 871878 diya gaya hai mera account number [protected] indian bank branch mallawan, branch ifsc code - idib000m162 me mera account hai but abhi tak mere account me
Refund credit nhi kiya gya hai. Please sir this amount credited in my bank acount
Please help me sir