We are pleased to let you know Windows 10 Mobile newly supports 10 Indic Phonetic keyboards below :
1.Bangla (India) Phonetic
How to install Indic Phonetic keyboards:-
1.Go to Settings page.
2.Select ‘Time & language’
3.Tap ‘Keyboard’ and ‘Add keyboards’
4.Scroll to your expected keyboard and select it. (e.g. Hindi Phonetic keyboard.
5.Check Added Keyboard.
6.Download language data via Windows Update. It requires reboot to complete.
Try it and let us know in comments section.If you like our report please share your support by subscribing to our community on Facebook, Twitter, Telegram or Flipboard. you can also join our support group Smartphone Assistant for any queries related to your devices