Punjab National Bank [PNB] — reversal of wrong debit amount

Address:

Thane, Maharashtra, 401303

I have use my debit card for shopping on 11/03/2018 18:21:45 at avenue suppermart Limited.
Place:- Boisar
but transaction failed.
2-3 times transaction gets failed.
Still my account ([protected]) is debited with RS.6858.65.
This Amount should be Credited My Account within 24 Hours.
But still After 48 hours the reversal payment is not received with My Bank account.
It was the worst experience from Punjab National Bank.