Hai I am using vivo v7plus phone.It is best phone in that price range under 20000 rupees.It has 4 GB ram and 64 GB internal storage it can be expandable up-to 256 GB by using SD card.
It has full view display15.21cm( 5.99inchs) HD+ display.It's picture quality is very good.
And it has 24 mega pixel clearer moonlight selfie camera.It has face beauty for clearness also.
Vivo v7+ has Qualcomm snapdragon 450 with Octa
Core 1.8HZs processor it is one of best in it's performance .It comes with android nougat 7.1 from the box now company gave it update 8.1 Oreo.
Vivo v7+ phone has 3225mah lithium ion battery it is good enough to use it full day for normal users.This phone has game mood also.Simply this phone is very good in look.