Punjab National Bank [PNB] — Refund issue

Address:

KALANAUR DIST. ROHTAK.

Sir. I hv return a product of rs. 27, 990 rs. On 28.07.2020. They told me we have initiated your amount in your account. But i have not received my payment yet. They told me this is your bank is. Which is punjab national bank. They also didn't solve me problem.
Acount no. Is [protected].
Acc. Holder name - kamlesh.
Bank also involved in this.
Amazon give me
Rrn no. 75503720211041223517323.
And told me ask to your bank. We cant help you. But bank don't respond me. Plz help me out. Asap.