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: