Hello!
This is Deepak,
Do you know! That an Indian mobile brand called "SMARTRON" released its new budget device Named "Smartron S.R.T phone".
s.R.T represents Sachin Ramesh Tendulkar who is popularly known as "The God Of Cricket". This is available at a price of around $250 dollars.
Specifications of the device:-

5.5 1080P corning gorilla glass display
4GB ram
64GB ROM
Snapdragon 652(Better for Gamers)
0.7 seconds readable fingerprint sensor
3000 MAH battery
U.S.B type c cable
13/5 mp cameras
Runs on latest Android 7.1.1 (and the company promised the guaranteed upgrade to Android 8.0)
Unlimited Cloud Storage for their users

The best part about this phone is Guaranteed upgrade to android O. Now-a-days we used to wait to get official notice from the company for any updates for Android N or Android O or we refer some of the websites which assumes the upgradable devices but the company promised the guaranteed upgrade to Android O. And also the company told that the device will recieve monthly security patch updates, and Guaranteed 3 Major Android updates.

We can Believe Companies which promises in front of the Media.