CreditMantri — delete my account permanently I don't want to continue

I have paid some amount for solve the issue. Fist paid through upi, fund debited but payment not done successfully. Again paid. I asked company to repay the amount but they did not repaid. And they are keep on calling and distributing me. So i don't want to use this account. Kindly help me to delete this account permanently. Mob [protected] e mail id [protected]@outlook.in