A Purchase Order is raised when there is a request for material. Purchase Order Book displays the list of all purchase orders. You can view a summary of all the purchase orders till the date of last order entered.
From the Gateway of Tally> Display > Inventory Books > Purchase Order Book
The Purchase Order Book is displayed as shown below:
Drill down on a particular month to view the List of All Purchase Order Vouchers.
Note: You will get this option only if you have set the option Enable purchase order processing to Yes under F11: Features (F2:Inventory)
To view the monthly summary,
Click N: Auto Column.
Set the Periodicity as Monthly.
Set the option Show Total? to Yes.
The Purchase Order monthly summary will be displayed for the selected period.