Xiaomi Redmi 3S
If your budget is 7000 and want to buy the best phone then Redmi 3s is the best option. It fits in your hand perfectly and design is good for this price range. The back panel of the phone is made of metal which gives it a premium look.
KEY SPECIFICATIONS OF REDMI 3S:
DISPLAY - 5.00 inch IPS LCD
RESOLUTION - 720*1280 pixels
RAM - 2 GB
ROM - 16 Gb
REAR CAMERA - 13 megapixel
FRONT CAMERA - 5 megapixel
CHIPSET - Qualcomm Snapdragon 430
CPU - Octa Core 1.4 GHz Cortex A53
GPU - Adreno 505
It is a solid mobile for all round performane. If you are a heavy gamer and can afford to spend 2000 more then you should go for MI 3S prime but if your budget sticks for 7000 then it is the best phone you can get.