Hey @Navdeep Kaur ,
You can export the ARM template for the existing ADF and import it into the new ADF in another RG.
https://stackoverflow.com/questions/54445138/how-to-import-an-existing-data-factory-arm-template
https://cursor.run/tech/azure/azure-data-factory-manually-deploy-to-other-environments-using-arm-templates/
or you can check Azure Devops for ADF