Samsung galaxy j7 is the best samsung smart phone in mid range of Rs. 15000.It has great features, and its performance is really good.It has 13mp rear camera with flash and 5mp front camera with flash, which makes it different from other smartphones front flash helps to take sefies in dark light.It has 1.5 gb ram which is pretty good to run any application and has 16gb internal storage.It is slim and 3000mah battery.Which gives it a good backup.Sound quality is great.Totally It is the best phone in Rs. 15000