The only problem with the rupee is that its sign was standardized not so long time ago (this is U+20A8 in case if Indian rupee), so it is not yet supported by default by all the systems. Please see:
http://en.wikipedia.org/wiki/Rupee#Sign[
^].
There are different approaches to this problem. One trivial approach is to show "Rs", which I think is lame, since the standard requires "real" unique sign.
Fortunately, the ultimate solution is relatively easy when it comes to HTML. First of all, I know that you can find available fonts with this sign, some even called "rupee sign font" or "rupee font". Please find such font on the Web by yourself, it should be easier for you. Even if such font contained only one symbol, it would be enough for you.
And then, there is a way to embed a font in some CSS and apply this font to one or more styles, then use this (or these) style(s) in your HTML. Here is how:
http://www.techrepublic.com/blog/web-designer/embed-custom-fonts-on-your-website-with-the-font-face-property[
^].
See also:
https://developer.mozilla.org/en-US/docs/Web/CSS/@font-face[
^],
http://stackoverflow.com/questions/11737168/how-to-embed-fonts-in-css[
^],
http://stackoverflow.com/questions/16685979/how-do-i-embed-a-custom-website-font-in-ttf-format-for-all-browsers[
^].
The problem is solved.
—SA
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