I have been using mcent more than 2 years. When they launched there website for getting free mobile recharge. And now they have started android application for getting free mobile recharge. It is very easy to get mobile recharge.
They get daily bonus also and provide free credits for using applications they provide. I have earned more than thousand ruppes by installing and reffering friend. There refer and earn feature is best among all mobile recharge apps. Please give it a try and earn free recharge in no time.