For what it's worth, in odd snatches of spare time I've been making a few notes on the Bengali script at

http://people.w3.org/rishida/scripts/bengali/bengali-script/

This is still very much a work in progress, and may contain inaccuracies, but you may also find it of use.

(I recommend the use of a browser with good support for CSS selectors, such as Mozilla or Opera, if you have one, though it should still be readable with Internet Explorer. There also seem to be some font issues with Gentium in IE - lengthening marks, and double-character underlines don't come out right)

Suggestions, clarifications, contributions welcome.

RI


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Richard Ishida
W3C

contact info:
http://www.w3.org/People/Ishida/

W3C Internationalization:
http://www.w3.org/International/