Install only if you can read తెలుగు మాట తీపు.
If you see BOXES your device does NOT support Telugu.

Steps

1. Goto Settings -> Language and Keyboards

2. Enable Just Telugu

3. Select Input method -> then JustTelugu


Works only if
1. Telugu Font Installed
2. Device Complex Font Rendering.

Latest Indian firmwares supports these.
All Device above 4.2 Jelly Bean.

Report any issues or requests here or mail to [email protected]