Why do I need a version control system?
For a better explanation check BetterExplained
Just 15 minutes
If you have just 15 minutes you can learn Git from GITHUB Guides
To know a thing is to do it
Take a look at this guided tour from GitImmersion
Visual and Interactive way to learn GIT
If you like to learn visually check this js.org stuff
How about playing a game which has a series of levels, each requiring you to use git commands to arrive at a correct answer. Playing Githug
Online Video training sites
Read a book
Free Book Download from syncfusion
Time for GIT Internals
peepcode press book by Scott Chacon
Git hub logo (octocat)
Check some cool github logos at Octodex
F1 : help
If you come across any other resource help others , put it in the comments.
Till next keep smiling.