Punjab National Bank [PNB] — refund from amazon is not given to me by pnb bank

Address:

Wardno.8 near shiv mandir.plahi teh bashohli dist.. kathua, Kathua, Jammu and Kashmir, 184201

Amazon refund me at 9june but bank say there is no transaction come at this day ...I said check from reference number but bank can't check it I requested them again and again but they avoid me ...I am getting very disappointed from bank .I cal to customer care service they said we cannot check from reference number ...I can't understand what can I do