To create a Stock item for TCS
Go to Gateway of Tally > Inventory Info. > Stock Item > Create.
Enter the Name.
Select a stock group from the List of Stock Groups in the Under field.
Select a unit of measurement in the Units field.
Set the option Is TCS applicable to Applicable.
Select the Nature of Goods from the List of Nature of Goods.
The Stock Item Creation screen appears as shown below:
Press Ctrl + A to save the details.