Videocon delite 21 is good budget smart phone. It comes with 2 gb ram and 16 gb internal memory. It have 5 inch hd display.
It comes with 8 mp rear camera and 2 mp front camera. Camera quality is good. Sound quality of this smart phone is good. It is user friendly smart phone. Its style and design is good. It is value for money. It is dual sim 4g volte smart phone. It comes with 3000 mah battery that give good battery backup. In this price it is best but if you increase your budget upto 6000 you can purchase better smart phone compare to this with good camera quality and IR blastet system.