Tam-Kannadasan is a free font available for personal use as well as commercial use. you can use Tam-Kannadasan font for any publishing work, digital or printed media.
Downloading and Installing The Tam-Kannadasan Font
before installing Tam-Kannadasan font you have to download Tam-Kannadasan font and save on your hard drive. then unzip it using any program or windows / mac default options.
then right click on the ttf files named Tam-Kannadasan.ttf and then click install.
or you can Tam-Kannadasan font files (.ttf) inside "fonts" folder in System Drive > Windows > Fonts folder.