Where to Start?

I have asked quite a few people from where to study algorithms and Data Structure and the most common ans is geeksforgeeks. But no one tells how to start what all to study. Please someone help me.

http://discuss.codechef.com/questions/48877/data-structures-and-algorithms
http://discuss.codechef.com/questions/64426/awesome-resource-for-ds-and-algorithms
http://discuss.codechef.com/questions/64940/ds-and-algo-competitive-programming-all-you-need?page=1#64941

Enjoy Coding !