You can use Oriflame Even and Out cream it is very good solution for the uneven skin as I use it personally and my uneven skin start becoming even.
You can also try some home remedies to get rid of it:
Mix curd and lemon juice and gently rub it on your dark area do it regularly this will surely help you.
Always wash your face with cold water as it gives your skin a even effect.
Apply sunscreen when you go out and always take umbrella with you it will protect you from the harmful UV rays of the sun.