Microsoft released an update (KB2496898) for Windows Vista, for Windows Server 2008, for Windows 7 and for Windows Server 2008 R2, which will support for the new currency symbol for the Indian Rupee.
This update for Windows Vista, for Windows Server 2008, for Windows 7 and for Windows Server 2008 R2. This update adds support for the new currency symbol for the Indian Rupee. This update includes font support, locale changes, and keyboard support.
You can read more and download (12.8 Mb for Windows 7 64bit Version) the update from Microsoft (KB2496898)