To create a Discount on Sale Ledger
1. Go to Gateway of Tally > Accounts Info. > Ledgers > Create.
2. Enter the Name of the ledger i.e. Discount on Sale.
3. Select Indirect Expenses as the group name in the Under field.
4. Set the option Inventory Values are affected to No.
5. Set the option Is GST Applicable? to Not Applicable.