Unlike standard TSCII (Tamil Script Code for Information Interchange) or TAB (Tamil All Character Encoding) fonts, SaiIndira was unique because of its . It emulated natural handwriting, making it visually softer than rigid "Arial Unicode MS" or "Latha" fonts.
When typing words like க்ஷேத்திரம் or ஸ்ரீ , the old font would often display empty squares or broken characters. This is because the font’s internal OpenType tables did not follow modern shaping rules.
Tamil font has received several specialized updates and versions aimed at improving bilingual typing and document production, primarily through the software suite Key Updates & Versions Enhanced Bilingual Support : A recent update (April 2024) introduced an Enhanced SaiIndira Phonetic Font