This can be done in two ways.
1.To Manage Individual Bank Account as a Head do these tasks
a.Go to Setup => User Information
b. In the Unit Add the Bank Name
c. When you add income/expense select the Bank as Unit.
2. To Manage Bank Transaction as Income/Expense follow these steps
a. In the Setup Menu Go To Add/Delete Category
ie Setup=>Add/Delete Category Menu
b. Add the Bank Name as Income Type as well as Expense types
c. Enter the Income as well as Expense details and the Type as Bank Name as usual..
That is it..
KTS Team