Many typing institutes in Tamil Nadu create digital scans of the physical Lakshmi books they own to provide to their students. Check with local commerce institutes or online forums focused on TNPSC (Tamil Nadu Public Service Commission) exam preparation.
The traditional Tamil typewriter uses a specific mapping often referred to as the "Tamil Typewriter Old" layout.
: A free tool supporting Tamil Typewriter Old and other layouts for practice on Windows [18].
Your current (Beginner, Intermediate, or preparing for an exam?)
Lists various Tamil Typewriting Speed Books and model papers.
There are several typing guides available, but the Lakshmi series is favored for several reasons:
Ensure the download includes both the speed sections and the statement/letter formatting sections.