Here is the Redmi S2 Unboxing, this video is in Hindi and the S2 used is a Global Version. This handset was launched in China, if you wish you can buy this from international Website like GearBest.
Redmi S2 is Qualcomm Snapdragon 625 Octa Core 2.0GHz, comes with 5.99 inch screen with 1440 x 720 pixels resolution i.e. 18:9 aspect ratio.
There are triple slots you can use 2x nano SIM and micro SD card together. Android 8.0 runs out of the box with MIUI 9. This handset comes with 3GB RAM and 32GB ROM.
Rear camera is 12MP + 5MP and front camera is 16MP. There if face unlock and finger print sensor security options. A 3080 mAh battery powers this handset.
Now this handset is not available in India you can however buy from GearBest it will cost $155.99 that comes to approx Rs. 10,500. There is free shipping option and you might end up paying custom duty. There is also a chance if your luck is good, you may get it without custom duty.
You can buy from here – https://goo.gl/GGouY1