Punjab National Bank [PNB] — Refund my money

Address:

Ziaul haq house, manpur jaggan ka bagh nikat budh bazar, moradabad 244001

I want to raise a complaint toward pnb that my name is Aman Ullah and my acc number is [protected] has made a transaction on amazon on 7th march 2021 and cancelled it on 7th march 2021 .. amount was deducted from my bank but didn’t get refund.. amazon has successfully processed refund on 7th march 2021 with refund reference id number 30005110661066148575962 .. pnb customer care is not listening and my money got stucked . please help me .. its been 7 days now and i didn’t get my money back 😭😭