Here is a quick guide for switching to custom domain in rediff :

  1. Sign into rediff business solution.2) Go to manage domain and then to Domain Forwarding (CNAME) section.3) Change Aliases to www i.e. prefix what you want. Rediff sold you doamin.com, now you decide what to keep – blog.domain.com , info.domain.com or whatever you like.4) Set host server to ghs.google.com .It would be displayed with dot after host server i.e ghs.google.com.5) It’s likely to be active within an hour.6) Now go to advance setting in blogger. You will find it under Publishing tab in settings.7) Change your domain to www.domain.com .8) Now click on save settings. A new check box will appear asking you to redirect www.domain.com to domain.com . Enable that check box.9) It’s done !!! Wait for 24-36 hours to take effect. You can check settings by ping command.In the command window write ping www.domain.com , if reply is request time out then you need to wait and if reply is something like Reply from 202.137.237.27: bytes=32 time=80ms TTL=220 then your blog is activated. Interestingly I have never met Sree sir face to face but we are in contact since one year. I was heavily inspired from him and now he is my virtual guru. Thank you sree sir for your support.