So here is the answer about this Question
After long research and talking to customers care of Amazon using there E-mail address and Got reply from them.see from below:-
I.e Unfortunately Micromax You Yureka is not available in Other countries like U.S ,U.K,France,Switzerland etc
So you can not but Micromax in U.K.U.S But you can order Micromax Yo Yureka from U.S.A to any Indian City in which YU Yureka can be sale and on proper Pin code
If this article help you than don’t forget to thanks me in comments.