Hello friend if you want budget phone under 7000 you should definitely look at the redmi 3s. This phone is very good in built, it has 5 inch display which is 720P display and it is decent.
This phone is having snapdragon 430 chipset and its performance is decent for general use .The usp of this phone is battery 4100mAH is perform very good it last 2 day very easily . Camera is decent for price point of view . This is perform very well in general use but in heavy games it is lag little bit . It is having MIUI 8 presently and MIUI highly customized UI and MIUI 8 it is perform very well and it has lots of feature . If your budget is 7000 this phone did not disappoint you . Overall it is very good phone if your priority is normal web browsing whatsapp facebook and casual gaming .
Thank You