The redmi y1 is the new phone by mi. Y indicates the youth and its is the budget smartphone coming under snapdragon 435 chipset which gives average performance. At this price segment its is better. Coming to the specifications:
Pros:
Good day-light camera.
Selfiflash is given which helps to click the photos in the dark area.
Inbuilt quality is good, the metalic finish which gives premium in hand. And its is slippry so please use back case.
Cons:
Worst low light camera.
Some times it is going to stuck, may be the reason of os or ram capacity. So please buy 3gb ram varient