While you are working on the purchase transaction screen and some ledgers are missing, you can simply create it from the "create ledger" option available. Read the steps in the article.
This will open a new pop-up window, as shown below image :
Here you fill required details and click on "Add" to Create a Ledger. Also, if you have a GST number and add it in the field, upon clicking on "Get Data", all the data will be fetched from the GST Portal. Note: Any data is pushed in Tally at that moment ledger is also created in Tally along with them
This function is available only in Item Invoice(with Item)
Click on a drawer to open the menu
Click on Create item to create New Stock Item Enter the required fields and click on add button to create New Stock Item
**Note** When data is pushed in Tally, that newly created Stock Item will also be pushed and created in Tally.