Hi,
I am not a professional but I am managing my site by my own.
It is running fine.
Now I want to add Hindi Characters on English page.
I made it UFT-8 but it still does not work.
I used <span lang="hi"> to separate Hindi word from english. Codes are as follows('xyz' is replaced with my brand Name):

Code:
<!DOCTYPE html PUBLIC "-//XYZ XYZ//DTD XHTML 1.0 Strict//EN" "http://www.xyz.com/TR/xhtml1/DTD/xhtml1-strict.dtd">
...