Couple of weeks ago, Kinige launched a free Telugu typing tutor. It teaches the InScript keyboard layout, which is standardized by the Indian Government. (InScript layout can reduce as much as 20% keystrokes when compared to phonetic methods.) Here is a screen shot of the Kinige Telugu Typing Tutor:
Unlike other Telugu typing tutors, the lessons in the Kinige typing tutor are cleverly designed to introduce the key positions—instead of alphabets.