Redmi Note 4 is one of the best high end budget smartphones in the market available. Xiaomi took away the market with this phone launch. The reasons that makes it worth every penny are -
The Design is way more cool with the antenna lines and with the new full batman black color makes it more attractive.
It runs on a Snapdragon 625 Processor with 14nm Finfet Technology that makes the battery life last longer than usual. The Processor and the Finfet Technology combination makes it easier.
It has 2/3/4GB of Ram that can help you do multitasking and play high end games.
A 13MP Rear Camera with f/2.0 aperture for good quality HD photography and 5MP Front Camera for Selfies with pre-loaded filters.
Internal storage of 32/64GB makes it easier to store things that you want like photos, songs, videos, files. And the storage can be expanded upto 128GB which means you get more storage when you use a microSD card.
The display has 2.5D curved glass which can assure you a complete scratchless touch. It is fully scratchless nd you dont have any single scratch even if you dont use a tempered glass.
It has 4100mAH battery which can give you almost two days of battery backup without charging.
It runs on MIUI v8.2.5.0 based on Android 6.0.1 Marshmallow and is upgradable to Android Nougat 7.1 and later.
It also has the OTG support and has couple of great features like dual apps, quickball, IR Blaster and many more. Good Sound quality with good speakers.
So this is the best high end smartphone with the range of ₹9999 to ₹12, 999. It serves the best to do all the tasks you can.