Sasmung galaxy y duos is a superb phone with excellent features. I am using this from more than one year and never had any complain. Its performance and battery backup is amazing. It is having 3.15 MP camera, Dual SIM(Mini-SIM, dual stand-by), runs at 3 G network. You can check all detail Samsung India official site
https://samsung.com/in/support/model/GT-S6102UWAINU