How to transfer old domain to new domain (Rebrand)

I have old domain and I am interested to open new domain instead of old domain.please provided me exact tips for doing it. Please give advised for solving this issue.

You can use Google & Bing Webmasters Tools:

http://www.bing.com/webmaster/help/how-to-use-the-site-move-tool-bb8f5112

You should also redirect from your old site to the new in your .htaccess file.

There is a recent thread with more information:

http://www.sitepoint.com/forums/showthread.php?1216916-when-make-new-site-accessible-amp-official-how-keep-my-SEO-amp-Ranking