when you go to the homepage of sajha.com.. there is the flashy world cup banner in the top of the threads.. click on it.. just log on to your account as you do usual.. then you can choose the team, you think will win.. that's all.. 

and as the game process.. then Admin will give you the points per your right prediction.. and in the final.. overall user who predicted the most number of right teams he will lead the prediction game.. 

walkahead