Firstcry.com — Amount debited from my account

One of executive Helpdesk called me and asked to enter the voucher number in gpay 19999 and 20000 he told it's voucher code and note column to mention RFCAZ refund from firstcry but suddenly amount got debited from my account. An amount of Rs. 19999 and another amount of Rs 20000 kindly refund both the amount to my account