You need to install any of the telugu unicode font to read or write telugu , commonly used unicode telugu font is AnjaliOldLipi True Type Font . Please following the instructions to install unicode telugu in your system.
There was no common telugu ascii structure for the old fonts. so each vendors use different telugu fonts with different keyboard layouts. this makes difficult with telugu users as they need to install each telugu font from different websites like malayala manoram (manoram.ttf) mathrubhumi.ttf etc..
Unicode font is international