Using the Inventory Features, you can enable various options required for making transactions in your business.
To enable the inventory features
1. Go to Gateway of Tally > F11: Features > F1: Inventory. The Company Operations Alteration screen appears as shown below:

2. Enable the required options.
3. Press Ctrl+A to accept.
Option  | 
		Functionality  | 
		Additional Information  | 
	
Integrate accounts and inventory? 
  | 
		Enable this option to include the stock or inventory balance from the inventory records. Provides a drill down to the stock registers from balance sheet. Disable this option to maintain accounts and inventory separately.  | 
		Stock records often contain compensating errors caused by wrong allocation to items. This feature enables finalization of financial books without waiting for the reconciliation of stocks.  | 
	
Enable zero-valued transactions? 
 
  | 
		Enable this option to allow zero-valued transactions in Inventory vouchers.  | 
		
  | 
	
Option  | 
		Functionality  | 
	
Maintain multiple Godowns / Excise Units? 
  | 
		Enable this option if you have more than one stock storage locations or godowns, and you want to track stock movement across these Locations.  | 
	
Maintain stock categories? 
  | 
		Enable this option to create and maintain stock categories  | 
	
Maintain batch-wise details? 
  | 
		Enable this option to maintain batch information pertaining to Stock Items. A new field Maintain in Batches is displayed in the Stock Item Creation screen.  | 
	
Set expiry dates for batches?  | 
		Enable this option to set expiry dates for the batches. This displays an additional field Use Expiry Dates in the Stock Item Creation screen.  | 
	
Use separate actual and billed quantity columns? 
  | 
		Enable this option to specify quantities, that are different from those delivered/ received, when invoicing. 
  | 
	
Option  | 
		Functionality  | 
	
Enable purchase order processing? 
  | 
		Enable this option to create purchase orders. This feature can also be used for pre-closure of purchase order.  | 
	
Enable sales order processing? 
  | 
		Enable this option to create sales orders.  | 
	
Enable job order processing? 
  | 
		Enable this option to create job work out or in orders.  | 
	
Option  | 
		Functionality  | 
	
Enable invoicing? 
  | 
		Enable this option to create Sales and Purchase vouchers in the invoice format.  | 
	
Record purchases in invoice mode?  | 
		Enable this option to enable voucher class option in purchase voucher type. 
  | 
	
Use debit and credit notes?  | 
		Enable this option to use the debit note and credit note voucher types.  | 
	
Record credit notes in invoice mode?  | 
		Enable this option to create credit notes in invoice mode.  | 
	
Record debit notes in invoice mode?  | 
		Enable this option to create debit notes in invoice mode.  | 
	
Option  | 
		Functionality  | 
	
Track additional costs of purchase? 
  | 
		Enable this option to obtain a break-up of purchase costs, without the need to separately debit ledger accounts for expenses.  | 
	
Option  | 
		Functionality  | 
	
Use multiple price levels?  | 
		Enable this option to create multiple price levels.  | 
	
Option  | 
		Functionality  | 
	
Use tracking numbers (enables delivery and receipt notes)? 
  | 
		Enable this option to use tracking numbers to maintain the relation between delivery notes and invoices. This is available for both purchases and sales.  | 
	
Use rejection inward and outward notes?  | 
		Enable this option to record rejection of goods separately and not through a common debit note or credit note. 
  | 
	
Use material in and out vouchers?  | 
		Enable this option to record transfer of item quantity towards the party and transfer material from one Godown (Location) to the other.  | 
	
Use cost tracking for stock item? 
  | 
		Enable this option to create credit notes in invoice mode.  | 
	
Record debit notes in invoice mode?  | 
		Enable this option to analyse the cost involved for an item.  |