Punjab National Bank [PNB] — I haven't received amazon refund money in my bank yet.

Address:

Street No D-7 New Subhash Nagar Jwalapur, Haridwar, Uttarakhand, 249407

My name is vikas babu and i had ordered "bosch gsb cordless drill" of rs. Amount 7299 in amazon on 17 augest 2019
And i return the item on 19 augest.
Amazon initiated the amount to my card but i still didn't get the money. Amazon sent this reference number
75260829238032601201482 and told me to fill charge dispute form but pnb bank doesn't have online refund issue option in there dispute form. So
Please kindly respond to this complaint it's very urgent. My card number is [protected]

My phone number [protected]