Amazon India — 3x samsung galaxy wrist watch phone not work

I have purchased 3 nos of 3x samsung galaxy s relay 4g t699 gt 350
On 6th nov ihave received the above items by paying rs 4347.
After opening it was found in one the display is not working
I have to replace the one which was not working
In my orders icould not replace the same
So kindly help me to replace the same

Order no #[protected] dated 1st nov 2017
Company vell-tech v. Tech2016

My email is [protected]@gmail.com