To create ledgers under the Purchase Accounts group
Go to Gateway of Tally > Accounts Info > Ledgers > Create
Enter the Name for the Purchase ledger
In the Under field select Purchase Accounts from the List of Groups
Set Inventory values are affected to Yes if you maintain inventory
Set the field GST Applicable to Yes under Statutory Information
Accept the screen to Save.
Note: From Rel 4.8 an option to provide Bank Details is provided in the Ledger Master.
To create ledgers under the Sales Accounts group
Go to Gateway of Tally > Accounts Info > Ledgers > Create
Enter the Name for the Purchase ledger
In the Under field select Sales Accounts from the List of Groups
Set Inventory values are affected to Yes if you maintain inventory
Set the field GST Applicable to Yes under Statutory Information
Accept the screen to Save.