Flitpay always suggests you to deposit from the registered bank account only.
But, in case if you have deposited money from another bank account, kindly share the following details by raising a ticket at https://support.flitpay.com/hc/en-us/requests/new
Also, share anyone Passbook, Account Statement or Cancel Check with your Name, Bank details and IFSC Code visible clearly, of the account you used to deposit funds.
Please be patient your money will be refunded to the same account within 15-30 days, with the deduction of INR100 as a processing fee.