Punjab And Sind Bank — Refund not credit in my account

My name is Akshay beniwal and I had ordered a product of RS.101.85 rupee levi's mens 100%cotton 100CA BRIEFS in Amazon on 9 JAN 2021 & I returned this order due to personal reason. And on 9JAN 2021 Amazon initiated the amount to my card but I still didn't get the money. Amazon sent this reference number 75260821010045061273412 and told me to fill charge dispute form but Indian Bank doesn't have such policy. So please kindly respond to this complaint it's very urgent. My card number is [protected].