thanks wrmineo,
yes, i m 100% agree with u. when i link PR-1,2 or 3. thus my site PR will increase for example 2-3 or 4. then i can link exchange easily with PR-5 or 6 site.
i will improve spelling mistakes, punctuation and grammer today of my site,
secondly, pls tell me can i submit my site with free for all(FFA) directories? because i have read articles of webmaster they dont recommend FFA directories? what is ur suggention?