SBI — refund for failed transaction of passport application not refunded

Address:

Dange street , Ithanagar , Tenali, Guntur, Andhra Pradesh, 522201

I have applied for the passport and done the transaction with my syndicate bank debit card which got failed but my account got debited with amount 15, 000/-
I mailed sbi customer care and also contacted the customer care and down the same as they told to dobut haven't recieved any refund.
Passport reference number: 19-[protected]
I got my transaction done on[protected]