First of all Redmi note 3 is best budget smartphone. It has various amazing spes . like finger print sensor, ir blaster, etc
PRONS
16 MP rear camera and 5 MP front facing camera. it takes nice photos at daylight and something like dslr types pics which blur the background or non focus image.
IR BLASTER is used in many smart devices like TV, setup box, acs, smart fridges, etc
Premiun body is make a premium look with aluminium body.
Fm radio works without earphones connected it will be used for checking live cricket score, news, and many more.