Hi @mahaboobsyed1,
Technically you should be able to modify Schedule Job popup overlaying and changing following js file:
/libs/dam/gui/coral/components/admin/bulkimport/clientlibs/js/actions.js you can find method with signature createTypeRadios that defines list of available options.
There is also other aspect you have to take into account, even if you will add new option to the popup, it does not mean it will work fully correctly. It's because the solution has been designed to support some specific options in terms of scheduling bulk upload operation.