Indian Bank — Refund initiated by amazon but amount is not refunded to my bank account

I have ordered an travel bag from amazon and later i didn't like the quality of the product so that i returned the product but i didn't received the refund yet which is already 2 months completed so that i called to customer service and they gave reference id of[protected] and my bank account number is [protected] which is located in ongole branch so please try to solve my problem and help me to get back my money