Xiaomi Mi A1 is best budget mobile .this is look like mi 5x.
you get 5.5 full HD screen .
you get 4 gb ram and 64 gb storage.
this mobile have duel sim slot with hybrid slot.
Battery power is 3080 MH. You can charge with USB type port
Main highlight of this phone is dual camera.
that have limitation like iPhone 7 and oneplus 5. In this duel camera 1st is standard camera and 2nd is for telephototic use.
that are have 2 X optical zoom and both cameras has 12 Megapixel.pixel size is 1.2 Micron
You can buy from Amazon Flipkart and the MI store and the budget of this mobile is 13000.