So Finally You decided to get a custom domain for blogger blog, Here are the steps you have to follow for registering the domain for your blogger hosted blog.assuming that you have not registered a domain and would like to register that from Google apps and integrated blogger application else if you already own a domain and like to setup the domain for your blog then click here.
1. Register a new domain (Here is the procedure to register a new domain)
2. Log on to your blogger account –> Settings –> Publishing –> Custom Domain.
3. Check the availability of domain you would like to register.
4. Continue to registration and proceed with the payment and that is all you have to to do. Google will automatically update the DNS records for your blog.
Happy Blogging. . 
Tags: register Blogger, register domain
[...] So Finally You decided to get a custom domain for blogger blog, Here are the steps you have to follow for registering the domain for your blogger hosted blog. follow this post if you own a domain, else if you would like to get a domain registered from blogger itself click here. [...]
Nice blog! Keep up the good work.
thanks dude . .