The need for different actual and billed quantities may arise in several instances. For example if an extra   inventory is sent to cover up for any stock that reaches in a damaged condition  or Inventory sent as extra  samples or the Stock is despatched to the customer as quantity discount. 
                 
                Setup: 
                   
                Ensure that you are in the Gateway of Tally  
                
                  - Go to F11: Features (Inventory Features) and set Use Different Actual & Billed Qty to Yes.
 
                 
                  
                 
                Go to Gateway  of Tally > Accounting Vouchers > F8: Sales.  
                 
                You will notice that the Quantities column is divided into two columns,  viz. Actual and Billed.  
                   
                Example: 
                   
                Swayam  Sales purchase the following items from Radiant Techno Ltd. with Product Scheme  like as given.. 
                
                  
                    Name    of the Item  | 
                    Actual Qty  | 
                    Billed Qty  | 
                    Rate  
                      (in ₹. )  | 
                   
                  
                    Keyboard-iball   | 
                    12    Nos.   | 
                    10 Nos.   | 
                    700   | 
                   
                  
                    Mouse-Iball   | 
                    15    Nos.   | 
                    10 Nos.   | 
                    500   | 
                   
               
                The  Sale Invoice will be like this as given below : 
                   
                 
                Note : The Rate is charges on the basis of Billed  Quantity but the stock is updated on the basis of Actual quantity. In other  words, Difference in quantity is FREE. |