Xiaomi redmi 4, 4Gb 64Gb is the mobile which containing all the features of 50000rs mobile. when you compare this mi with any 50k rs mobile its abut 60% better than that.the main feature of this mobile from which the customer impress that is camera its camera is much better than other this ranges mobile. I think this mobile is best in 10000rs acc. to features. when you compare the speed of processor with any other android mobile it always better.