Gone are the days when you need to learn the Wijesekera keyboard to type in Sinhala. Now, thanks to Google, you can type Sinhala words in English and voila, it changes into unicode Sinhala!
Of course, many beat Google in this business of transliteration, but I personally think their version is quite user friendly.
So next time you need to write to your Grama Sevaka, just log on to:
http://www.google.com/transliterate/Sinhalese
You can see similar Sinhala transliteration services here: