★ You can set Geo Zone & Default Currency.
Open your admin goto Extensions Tab and click "Extension Installer".
1.Then click on "Upload" button and select the downloaded folder/directory "PayUmoney.ocmod".
2.Now goto Extension Tab and select "Extension" then click on dropdown menu and select "Payments".
3.Then click on "Install" and "Edit" button then Fill the details and enable the status and then save it.