You can use udiMagic software to import Sales and Purchases with alternate units in Tally ERP.
- Open the XLS named "Vouchers-V10-Sales-Purchase-With-Stockitems-Advanced.xls"
- Use the EnableDisabledFeatures sheet to Show the "Other Settings" columns.
- Specify Yes in the Column IsAlternateUnitApplicable for all the rows which you want to import in Tally.
- Save the XLS
Import excel data in Tally
- Start Tally and open your Company
- Start udiMagic Software
- Select option "Excel to Tally"
- Select option "Import data in Tally"
- Select the XLS i.e. Vouchers-V10-Sales-Purchase-With-Stockitems-Advanced.xls
- Click the Start button
Here's a screen snapshot of the XLS wherein you must specify YES in the column "IsAlternateUnitApplicable".