Can some one explain to me !!!

Well, you should ask a question :)

Well, you should ask a question :)

ok, first spamming isn't gonna help. You should close the other thread, or this one, or both. Secondly, it's a matter of luck. Just be patient, you'll eventually win.

Consider contributing as it will raise your CV, search the forums for private giveaways, solve puzzles, etc...