Newbie
 

I am a newbie and i dont know about different linux distributions and i am interested in linux. I am not able to understand how to begin? Which distributions i might be able to start. I am completely familiar with windows and i want to learn linux. So, Please suggest me a distribution.

Use distrowatch's search to help yourself.
You will get multiple answers with the same basic ideas.

The site mentioned above will help, but some of the user friendly ones would be:

Ubuntu (or a derivation)
Mint
openSuse

Maybe this tool will help you:
http://www.zegeniestudios.net/ldc/

for a start...
 

for a start install Linux from a good stable release, you wanna try few: http://www.amazon.com/6-disks-Introd...5656441&sr=8-2
it has all you need to start.

Just for fun I tried it; perhaps the site is broken -- it didn't even list Slackware, never mind listing Slackware as the most suited, and it said kubuntu would be best (despite my not selecting KDE)! :confused:

What sort of hardware do you have? Do you want eye-candy? Do you want GUI tools to administer the system or are you happy to use the command line and edit configuration files? How important is stability to you? Do you want to be on the leading/bleeding edge? Are you interested in systems administration or do you just want something to run applications on? Are you already running any FOSS software (perhaps OpenOffice)? Are you looking to build a server or a workstation?

Well I am to be using Gentoo or Slackware ... listed it fine for me ;)