Redmi 1s was a huge hit and this one is amazing too. The camera is absolutely stunning for such a budget phone. Also the hdr mode gets you the best pictures that this phone can deliver.
Perfect size screen for easy grip and one hand usage. With the custom themes and ability to root it so easily, this phone comes with best option of customization in this price range. You have a lot of enthusiastic developers who create unique custom roms and kernel which help you get best of this one.