Yu yutopia is a good phone from micromax it has good specifications it supports 4g and a
21 mp camera simply ossom and a 4gb ram is plenty to do and a snapdragon 810 chipset slightly heater it rums on android 5.1 on the top of cynogen ui
It has 3000 mah battery which can losts up around a one day on heavy usage
Oberall the performance is good
So I gives thums up and go for it