Some time ago, 'money bhai' was introduced in money control website. The players can invest in portfolio of their choice (stocks) with virtual money. Winners , rewarded with prices.
Economic times has also come up with a similar idea. See their site for details.
Working on a dummy portfolio is the best way to learn or hone your stock picking skills. When someone allows you to do that for a prize, it becomes extremely interesting.
I think, those who are looking for honing their skills should actively participate in these games.