Well, I had been thinking of doing this for a long time, and had ownership of my domain name for years now, so finally today I did a quick google search of how to use a custom domain name, tanvirkazmi.com, for my blog instead of the longer tanvirkazmi.blogspot.com.
Below is one of the links on how to do this:
and Blogger help itself has details of the process at:
So, from today, my blog and all the old and new posts will be accessible using the new domain name. Older links will also continue to work without any issues. All content continues to reside at Blogger, so hosting does not change. Enjoy the love!