Follow the below procedure to override income tax in bulk.
Login to the greytHR application
Click on Employee
Under the Admin section select the option Excel Import
Select Importer type as "Income tax override"
Download a sample file
Update the Required fields
Remove the other Components which is not applicable
Click on Upload file and attach the spread sheet
Click Next >> Check the Mappings > Click on Next > Import ( Follow the wizard and complete the task)
Watch the below video to know how the bulk data upload works on greytHR