What “ledger” are you referring to? Your screen shot seems to show a statement.
That is not currently available. What will appear, however, in the currently empty space between Invoice and Invoice total headings on your screen shot is the summary line of every invoice, assuming you enter something there. If you haven’t entered anything, the space will remain blank.
yes i want summery of every invoice
how can be possible
As I said above: enter a summary in the Description field of your sales invoice:
This appears on the customer statement as below:
(Ignore the apparent match error. This customer had a credit on its account when the invoice was created.)