You can find the font on several reputable font repositories and specialized Tamil resource sites:
(also spelled TSC Avarangal or TSC Avaraṅgal ) is a traditional Tamil typeface designed by the Tamil Nadu Text Book Society (TSC). It is widely recognized for its handwritten, calligraphic style that resembles natural penmanship, making it distinct from standard print fonts like TSC TM or Bamini. tsc avarangal tamil font download
: Right-click the .ttf file and select "Install" or "Install for all users" . You can find the font on several reputable