After reading some SharePoint books, I started creating sites and sub sites. The child sites of the Site collection showed up nicely as tabs alongside the SC tab.

As I started creating child sites for the child sites, they did not appear under the parent Child site L But showed up as links on the Quick Launch...Hmm that was quite ugly..

After doing some googling I hit at this Post : http://mindsharpblogs.com/kathy/archive/2007/05/07/1750.aspx

After trying to activate the feature unsuccessfully (got the One or more features must be turned on before this feature can be activated. Error)

Then hit at this wonderful post

http://www.click2learn.ch/Lists/Announcements/DispForm.aspx?ID=18

One more post that explains step-by-step on how to make sub sites appear under the parent site is

http://heathersolomon.com/blog/archive/2007/05/15/SharePoint-Tip--How-to-Activate-the-Drop-Down-Menu.aspx

Followed the steps and I am all set now J

Hope this helps someone else