Yesterday Microsoft has begun the roll out of Windows 10 First major update or Threshold 2. Windows 10 November update that brings Build 10586, comes with performance improvements, bug fixes and many new features like new messaging app and Cortana support for more regions. You can read all about the changes and new features that this update brings by clicking here.
As stated above, Windows 10 First major update brings Cortana in more regions like India, and if you are running on Windows 10 Build 10586 (First major update) then you don’t need to make any changes in settings.
However if you don’t know Cortana is an intelligent personal assistant created by Microsoft for Windows Phone 8.1 and Windows 10 Devices.