Punjab National Bank [PNB] — money was not refunded

Address:

496118

My name is harsh nayak and i had ordered mamaearth conditioner, moisturizer and parachute hair serum of rs. Amount of 750 in amazon on 6th of december and canceled it on 8th of december due to personal reason. And on 8/12/2019
Amazon initiated the amount to my bank but i still didn't get the money. Amazon sent this reference number[protected] &[protected] and told me to fill charge dispute form but punjab nationalbank doesn't have such policy. So
Please kindly respond to this complaint it's very urgent. My account number is [protected]