Explain the credit control process as a check to ensure debtors pay on time?

 The bank requires the customer to open an account with the bank and deposit a 

   fixed amount according to monthly income or weekly to take the check as security 

   and is monitored on the basis of client defaults in the amount of the required 

   amount to cover the amount of the check through a scheduled time period in case 

    the payment is not paid check Time is .............. and there are many ways to 

    control credit

     If the amount is small (100000-1000000), the bank does not need any doubt as 

     collateral, but according to the individual or weekly income

      If the amount of more than one million here according to the reputation of the 

       individual (trader)