HDFC Bank — while i was trying to add money to my payzapp wallet it's not credited but my money deducted from my hdfc account

Address: Hyderabad, Andhra Pradesh

My self kartheek, i have payzapp with my hdfc linked debit card while i was trying to add money to my payzapp wallet it's not credited but my money deducted from my hdfc account.. That money 12, 000 after i tried to reach the
Number which they are provided in support/feedback but it's been busy and his returned my call.

12, 000 is huge amount for me now, credit my money into my account asap..