Redmi 4 is a amazing phone I am using it for 2 years and I didn't face any problem
It has 2gb ram and 16gb internal memory with finger print sensor which is very secure and it has amazing camera quality which provide you a amazing experience .
It resporse very fast .
And you can play pubg also .
It has super fast processor .
It has a super cool look which looks very cool.
It is very cheap and fit in your budget it has metal body and battery is non removable
It has hd display which provide you excillent experience .
If you want to buy low budget phone I will suggest you to buy xiaomi redmi 4.