Payzapp — not refund my amount to payzapp wallet

Address: Ranga Reddy, Andhra Pradesh, 500084

I had made transaction dated[protected], amt : 10, 000/-, transaction was failed and amount was deducted from my payzapp wallet still not credited my hdfc bank account, i have tried contacting payzapp customer care enormous times but i was unable to reach them as number is always busy. Payzapp has the worst customer service. Please help me with this